Question

Complete dominance occurs when?

1) the phenotype of a heterozygote is identical to one of the homozygotes
2) the phenotype of a heterozygote is not identical to either homozygote
3) the genotype of a heterozygote is identical to one of the homozygotes
4) the genotype of a heterozygote is not identical to either homozygote
5) none of the above

Answer 1

Incomplete dominance occurs when the phenotype of a heterozygote is intermediate between the phenotypes of the homozygotes.

Step-by-step explanation:

Incomplete dominance occurs when the phenotype of a heterozygote is intermediate between the phenotypes of the homozygotes. For example, when red snapdragons (CRCR) are crossed with white snapdragons (CWCW), the F1 hybrids are all pink heterozygotes for flower color (CRCW). The pink color is an intermediate between the two parent colors.