Assume that "A1" is the gene for light hair and that "A2" is the gene for dark hair.Also assume that these genes demonstrate codominance.Then,the heterozygous genotype "A1A2" will exhibit the phenotype of:
A) light hair.
B) dark hair.
C) hair color somewhere between light and dark.
D) red hair, because of the phenomenon of crossing over.

Question

Quizplus · Accepted Answer

With codominance, both alleles are expressed equally in the heterozygous genotype, resulting in an intermediate phenotype. Therefore, the hair color will be somewhere between light and dark.

Assume That "A1" Is the Gene for Light Hair and That