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A mutation where a piece of A mutation where a piece of one chromosome breaks off one chromosome breaks off
and attaches to another and attaches to another chromosomechromosome
• translocation
A diagram of a family and A diagram of a family and the occurrence of traitsthe occurrence of traits
• pedigree
Blood type is controlled by Blood type is controlled by ______________ alleles______________ alleles
• multiple
What is genetic counseling?What is genetic counseling?• Risks for having kids• Should they even have kids?• Check with pedigrees and punnett
squares
What kind of trait is found in What kind of trait is found in EVERY generation?EVERY generation?
• Dominant trait
If both parents have a If both parents have a recessive trait, what is the recessive trait, what is the chance that their kids may chance that their kids may
have it too?have it too?
• 25% (1 out of 4)
When you replace a defective When you replace a defective gene with a healthy genegene with a healthy gene
• Gene therapy
A person who is heterozygous A person who is heterozygous for a trait is also called a for a trait is also called a
• carrier
Punnett Square with 2 parents Punnett Square with 2 parents that have a recessive gene that have a recessive gene
(not sex-linked)(not sex-linked)
What is Down Syndrome and What is Down Syndrome and how can a karyotype show you how can a karyotype show you
that?that?
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