2.5.6 Genetic Inheritance 2.5.7 Causes of Variation 2.5.8 Evolution Follow-Me – iQuiz

2.5.6 Genetic Inheritance2.5.7 Causes of Variation

2.5.8 Evolution

Follow-Me – iQuiz

Q. What term is used to describe an individual’s genetic make-up?

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

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Q. Explain the term recessive.

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

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Q. What is an allele?

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

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Q. Explain homozygous

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

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Q. What is meant by phenotype?

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

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Q. Explain the term dominant.

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

CONGRATULATIONS

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Q. Explain heterozygous.

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

CONGRATULATIONS

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Q. What is ‘junk’ DNA?

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

CONGRATULATIONS

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Q. What is linkage?

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

CONGRATULATIONS

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Q. Human males and females differ in one of their twenty three pairs of chromosomes. What name is given to this pair of

chromosomes?Allele only expressed in the

homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

CONGRATULATIONS

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Q. What is sex-linkage?

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

CONGRATULATIONS

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Q. How many possible gametes can a parent of genotype Aa produce?

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

CONGRATULATIONS

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Q. Name the sex chromosomes that are present in a human male cell.

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

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Q. What is incomplete dominance?

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

CONGRATULATIONS

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Q. Name the sex chromosomes that are present in a human female cell.

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

CONGRATULATIONS

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Q. A spontaneous change in the genetic material of an organism is called a ...

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

CONGRATULATIONS

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Q. A change in the structure of DNA is a … and may give rise to a …

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

CONGRATULATIONS

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Q. Name a scientist responsible for the Theory of Natural Selection

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

CONGRATULATIONS

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Q. State two types of evidence used to support the theory of evolution.

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

CONGRATULATIONS

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Q. How many possible gametes can a parent of genotype AaBb produce?

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

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Q. Give two causes of mutation.

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

CONGRATULATIONS

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Q. What is meant by the term evolution?

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

CONGRATULATIONS

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Q. What is Natural Selection?

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

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Q. What is meant by genetic screening?

Allele only expressed in the homozygous condition

Chemicals; Radiation; Viruses; Carcinogens

Fossils; Embryos; Anatomy; Genetics

Does not code for a protein

Different alleles or genes

Genotype

Genes on the same chromosome

Genes located on sex (X or Y) chromosome

Four

Identical alleles or genes

Mutation

Neither allele masks the expression of the other

Organisms best suited to environment have greater

chance of breeding and survivalPhysical appearance; Expression of genotype; Result of genotype

+ environment

Heterosomes; Sex chromosomes

XY

Two

Testing people for the presence of a specific gene

XX

Allele that is always expressed

Inheritable change within a population in response

to change in the environment by natural

selection over time

Alternative form of a gene

Mutation; Variation

Darwin; Wallace

CONGRATULATIONS

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