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Genetics

Study Pack

Set 4 Pedigree Analysis In Human Genetics

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Question 1

(True False)

Free
A blood test cannot determine if a person is a carrier of Tay-Sachs disease because the mutant allele is undetectable.

Answer

Question 2

(True False)

Free
Phenotypic variation can occur in traits controlled by the same allele.

Answer

Question 3

(Multiple Choice)

Free
In autosomal dominant inheritance,____.

A) the trait often skips generations
B) about one-fourth of the progeny in a pedigree will show the trait
C) two affected individuals may have unaffected children
D) males are more affected than females
E) the aa phenotype will be affected

Answer