noun
- an organism having two identical alleles of a particular gene or genes
Usage: biology; genetics
Examples
- A homozygote for brown eyes has two copies of the brown eye allele.
- The plant was a homozygote for the recessive trait.
- Genetic testing revealed that she was a homozygote for the disease-causing mutation.
- In Mendel’s experiments, homozygotes bred true for their traits.
- The laboratory mice were homozygotes for the knockout gene.
- A homozygote dominant individual will always express the dominant phenotype.