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 parents to have a blue eyed child

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asked Jan 15, 2019 125k views

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Jdeep · Answer 1 · 2019-01-22T13:54:23+0000

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%

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 parents to have a blue eyed child

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