HESI A2 Practice Test & Study Guide

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Genetics

Practice questions for Genetics in the HESI A2 exam.

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Which of the following best describes codominance?

The phenotype is determined by multiple genes.

The dominant allele completely masks the recessive allele.

Both alleles contribute equally to the phenotype, resulting in a blended trait.

Both alleles are expressed fully and independently in the phenotype.

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