17 - The following pedigree shows the inheritance of a recessive trait. Unless there is evidence to the contrary, assume that the individuals who have married into the family do not carry the recessive allele. What is the chance that the offspring of III-1 and III-12 will show the trait? a) 1/32 b) 1/4 c) 1/8 d) 1/64 e) 1/16
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Since they are not showing the trait, they must be heterozygous (Aa) because the trait is recessive. Now, let's find the probability of their offspring showing the trait. To do this, we can use a Punnett square: ``` A a Show more…
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The pedigree below shows the inheritance of a recessive autosomal trait. Unless there is evidence to the contrary, assume that the individuals who have married into the family do not carry the recessive allele. What is the chance that a child of III-6 and III-14 will show the trait (express the recessive phenotype)? 1/12 1/8 1/6 1/4 1/2
Adi S.
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Bryan V.
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