Question

What is an organism whose alleles for traits are identical?

Answer 1

An organism in which the two copies of the gene are identical — that is, have the same allele — is calledhomozygous for that gene. An organism which has two different alleles of the gene is calledheterozygous.

Answer 2

An organism in which the two copies of the gene are identical — that is, have the same allele — is calledhomozygous for that gene. An organism which has two different alleles of the gene is calledheterozygous.