Question

a fertilized egg that receives a different allele from each parent for the same trait is referred to as being
○ homozygous
● heterozygous
○ identical
○ chromosomal

Explanation:

In genetics, when a fertilized egg has different alleles for the same trait from each parent, it is heterozygous. Homozygous means having the same alleles. "Identical" and "chromosomal" do not describe this allele - combination situation.

Answer:

B. heterozygous