Which are different forms of the same gene? A. genotypes
B. phenotypes
C. alleles
D. traits

alleles

Explanation:

An allele is a variant form of a gene. Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome. Humans are called diploid organisms because they have two alleles at each genetic locus, with one allele inherited from each parent.

geologic time scale (for gradpoint) =)

answer; synapse;