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Vesnalui [34]
3 years ago
14

Six fingered offspring are formed from normal fingered parents . why?

Biology
1 answer:
Alex777 [14]3 years ago
3 0
<span>Polydactyly in its most common form, is an autosomal dominant mutation. Let's represent the mutation as P and the normal state as +. Thus, if both parents are heterozygous (P+), both would have the mutation (and thus have six fingered). They have 3/4 chances of having a child with the extra digit, 1/4 normal. </span>
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