The chance of a child having albinism when both of his parents are heterozygous for the disorder is ____ percent.

Name: The chance of a child having albinism when both of his parents are heterozygous for the disorder is ____ percent.
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Question

Quizplus · Accepted Answer

Both parents are heterozygous so the Punnett square would be:
 |   A   |   a   |
 |-------|-------|
 | A | AA  | Aa  |
 | a | Aa  | aa  |
There is a 25% chance of the child inheriting two recessive alleles (aa) and therefore having albinism.

The Chance of a Child Having Albinism When Both of His