Meaning & use
homozygous
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Having two identical alleles (versions of a gene) for a particular trait, one inherited from each parent.
See it in a sentence
A homozygous recessive genotype requires two copies of the recessive allele.
The plant was homozygous for the gene controlling flower color.
A note on using this word
A core term in genetics; contrasts directly with "heterozygous," which describes two different alleles for the same gene.
Words with an opposite meaning
heterozygous
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