Where the alleles at a particular genetic locus are the same (i.e., either the AA or GG genotypes stated in the examples for genotype and allele).
Individuals who are homozygous for a particularly allele are said to be homozygotes. See Allele and Genotype.
References
Other terms in 'Useful genetic terms ':
- Allele
- Chromosome
- Cis- and trans-variants
- Copy number variation
- Deoxyribonucleic acid (DNA)
- Gene
- Genetic variant
- Genotype
- Haplotype
- Heterozygous or Heterozygote
- Linkage disequilibrium (LD)
- Locus
- Palindromic single nucleotide polymorphism (SNP)
- Polygenic risk score (PRS)
- Polymorphism
- Rare variants
- Single nucleotide polymorphism (SNP)