Textbook ExpertVerified Tutor
22 Dec 2021
Background and context
An allele is one of two or more versions of a gene. A person inherits two alleles for each gene, one from each parent. For example, the ABO blood group is controlled by the ABO gene, which has six common alleles. If two alleles are identical, then the individual is homozygous for that gene.
Unlock all Textbook Solutions
Already have an account? Log in