Which of the Following Is TRUE About Alleles

Multiple Choice

Which of the following is TRUE about alleles?

A) Individuals carry both forms of each allele.
B) Alleles come in two forms,the good form and the bad form.
C) The phenotype of the individual will always indicate with certainty the alleles of the individual.
D) An allele is a variant form of a gene.
E) An individual will only carry one version of an allele.