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statuscvo [17]
4 years ago
14

the first child born to two parents with brown eyes has blue eyes. draw a punnett square to show how it is possible for these pa

rents to have a blue eyed child
Biology
1 answer:
sleet_krkn [62]4 years ago
6 0
Both parents have to be heterozygous for the trait (Xx)

X. x

X. XX. Xx

x. Xx. xx

As you can see, in the further corner, there is a homozygous recessive genotype. (xx). This means that 1/4 of all offspring will have blue eyes. Or 25%
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