If an Individual Is Homozygous for a Particular Trait

Multiple Choice

If an individual is homozygous for a particular trait

A) each parent contributed a different allele for that trait.
B) one parent contributed two different alleles for that trait.
C) each parent contributed the same allele for that trait.
D) one parent contributed two copies of the same allele for that trait.
E) a mutation must have occurred.