Question

Many inherited disorders of humans appear in children of parents who do not have the disorder. How can you explain this?

Answer 1

The parents are heterozygotes (Aa) meaning that they carry the disease but do not themselves have it. If both parents are carriers, their child can inherit (aa) giving them the disease.

Step-by-step explanation:

Answer 2

The parents are heterozygotes (Aa) meaning that they carry the disease but do not themselves have it. If both parents are carriers, their child can inherit (aa) giving them the disease.