Darla has two different alleles of a gene that controls hair color. She must be _______ for the hair color trait. heterogenous heterozygous homozygous homogenous
The answer is heterozygous. It means that she has two different alleles for one specific gene. And homozygous means that it has two same alleles for one specific gene. Heterogenous/homogenous means the different or same between organisms.
