Alleles are _____ . In diploid organisms, an individual can have __ allele(s) of a given gene and a
population of individuals can have __ allele(s) of that same gene.
A. genotypes; 1; 2
B. genotypes; 2; 2
C. different forms of a gene; 2; 2 or more
D. units of natural selection; 1; 2
E. heritable traits; 2; 2 or more