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Disorders Heredity
And MendelDNA and
RNAProtein
Synthesis
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Meiosis & Mitosis
200
Johnny inherited a “s” allele from his dad and
a “S” allele from his mom. He is
_____________for sickle cell disorder.
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300
A male with Klinefelter’s Syndrome has XXY sex chromosomes. “This” is the total number of
chromosomes in his body cells
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400
Colorblindness occurs much more frequently in males because males
have only one ____ chromosome, and color-blindness is a _______ trait
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500One parent is
homozygous dominant, and the other is heterozygous for
Marfan’s disorder. This is the probability that their child will have
Marfan’s.
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(Abe Lincoln may have had this
“recessive connective tissue
disorder”).
600
A human female with Turner’s
Syndrome has only 1 X chromosome. Her diploid (2n) number is ______
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800
Cystic Fibrosis is __________ (only rr
have the trait); while Huntington’s disease is _________ (RR and
Rr have the disease).
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Cystic fibrosis x-ray
900
Which of the following parental crosses could produce colorblind
female babies?(Note: colorblindness is sex-linked and recessive)
a)XRXR x XrY
b)XrXr x XRY
c)XRXr x XRY
d)XRXr x XrY
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300
Mitosis creates which of the following? (write out your answer)
a) 4 Gametes (egg or sperm)
b) 4 identical daughter cells
c) 2 identical daughter cells
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400
Crossing over of homologous chromosomes occurs during
(Meiosis / Mitosis / Transcription) (choose one)
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700
The “maned wolf” has a diploid chromosome count of 76.
a) This is the number of chromosomes it has in each of its lung cells. b) This is the number of chromosomes in its sperm.
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900
MEIOSIS in humans results in: (write out your answer)
a) 46 chromosomes in each gamete
b) 2 identical daughter cells
c) 4 gametes (each with 23 chromosomes)
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1000
Inheriting one trait does not affect your inheritance of a second trait. This
is Mendel’s Law of ______ ______
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100
Cross a heterozygous brown guinea pig with a homozygous white guinea
pig (bb). This is the probability of obtaining white offspring.
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200
If you cross Nn x Nn, this percentage of the offspring will express the
dominant phenotype?
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300
A person with polydactyly (extra digits) is heterozygous and marries and has kids with a homozygous recessive individual.
What is the chance their first child will have polydactyly? (hint: polydactyly is an
autosomal dominant trait)
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500
A “bushy eyebrow” father marries a mother that is
homozygous recessive (bb) for “skinny eyebrows”. They
have 4 kids: 1 with bushy eyebrows and 3 with skinny
eyebrows. What is the father’s genotype?
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600
When both alleles are expressed completely and separately, it is
referred to as _______________.
(examples include A, B, AB, and O blood
types)
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800
Lucia is a carrier of hemophilia (sex-linked, recessive). She marries and
has kids with Jay who is a hemophiliac. This is the probability their first child
will have hemophilia.
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900
Laura has female pattern baldness (sex-linked, recessive). She marries
Ben who is not bald. What percent of their daughters will have female
pattern baldness. (construct a sex-linked Punnett square to find out!)
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1000
This Punnett square demonstrates a
_________ cross. The presence of one trait (does / does not)
affect the presence of the other.
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400
Continue
1)DNA has these nitrogen containing bases (list 4!), whereas:
2)RNA has these nitrogen containing bases (list 4!)
700
This enzyme forms bonds between nucleotides and checks for errors
during DNA replication.
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800
If a section of one of my strands of DNA read:
…ACT GCT GGG CCT TGG… the complementary strand would read:
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900
Chargaff helped to determine the structure of DNA. According to his
findings, if there was 22% A in a given DNA segment, there would be ____%
C, ____%G and ____%T (list them in the correct order).
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1000
DNA replicates through “semiconservative” replication. This is
the definition of semiconservative.
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100
Protein construction occurs in the ________________ (location in the cell)
on the _______________(organelle)
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200
Not all of the DNA is transcribed into mRNA in the nucleus. This is the
smallest segment of DNA that codes for a protein.
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300
“This type” of RNA carries an amino acid and
matches its anticodon with the codon of the mRNA.
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400
An anticodon with the sequence, AAA, found on a ______(kind of molecule)
pairs with ________codon on a ______(kind of molecule)
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600
During translation, this type of bond joins the amino acids making up a
growing protein.
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800
Suppose translation has just begun. a) Write the mRNA start codon
sequence. b) Write the correct tRNA anticodon
sequence for this start codon.
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