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An individual is described as homozygous for a particular gene when they possess two identical alleles for that gene. For instance, in the case of the cleft chin trait, genotypes BB (homozygous dominant) and bb (homozygous recessive) are both considered homozygous.

Homozygous

A biologist is studying a gene that influences seed shape in a particular plant. One plant in the study has two identical versions of this gene, both of which code for wrinkled seeds. Which term correctly describes this plant's genetic makeup for the seed shape gene?

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