homozygous

(adjective)

of an organism in which both copies of a given gene have the same allele

Related Terms

Examples of homozygous in the following topics:

  • Complementation

    • Complementation refers to a relationship between two different strains of an organism which both have homozygous recessive mutations.
    • In genetics, complementation refers to a relationship between two different strains of an organism which both have homozygous recessive mutations that produce the same phenotype (for example, a change in wing structure in flies) but which do not reside on the same (homologous) gene.

  • Gene Families

    • The right side illustrates a second round of unequal crossing over that can occur in a genome that is homozygous of the original duplicated chromosome.