An organism's genotype is (1 point)
A an allele that is expressed whenever it is present.
B a trait that is expressed in a homozygous individual.
C O an observable trait.
D the set of alleles an organism has for a trait.
A an allele that is expressed whenever it is present.
B a trait that is expressed in a homozygous individual.
C O an observable trait.
D the set of alleles an organism has for a trait.