Lacy has a recessive gene in her genotype that is not expressed in her phenotype. She is a(n) _____ of that gene.

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Lacy has a recessive gene in her genotype, which means that she has both a dominant and recessive allele for that gene. However, the recessive allele is not expressed in her phenotype because the dominant allele masks it. This means that Lacy is a carrier of the recessive gene, as she can pass it on to her offspring even though she does not show any physical manifestation of it.

Lacy Has a Recessive Gene in Her Genotype That Is