QQuestionAnatomy and Physiology
QuestionAnatomy and Physiology
Which statement best describes a dominant allele?
A. The version of the trait that is expressed only if the individual is homozygous for that trait.
B. The version of the trait that is expressed over other alleles for the same trait.
C. The version of the trait that is more beneficial to the individual's survival.
D. The version of the trait that is expressed only if the individual is heterozygous for that trait.
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Step 2: Understanding Alleles and Dominance
In genetics, alleles are different versions of the same gene. Dominance refers to how these alleles interact when an organism has two different alleles for a trait.
Final Answer
The version of the trait that is expressed over other alleles for the same trait.
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