The parents with which of the following genotypes could not have a child with albinism?
A) AA x aa
B) Aa x Aa
C) Aa x aa
D) Both B and C

Question

Quizplus · Accepted Answer

Albinism is an autosomal recessive condition. Therefore, a person with two copies of the dominant A allele (AA) does not have albinism and cannot pass on a copy of the recessive allele to their offspring. On the other hand, a person with one copy of the recessive a allele (Aa) is a carrier of albinism and can pass on the allele to their offspring, which could lead to a child having albinism. Therefore, only the parents with the genotype AA x aa cannot have a child with albinism, as they would only pass on the dominant A allele to their offspring.

The Parents with Which of the Following Genotypes Could Not