PATHOLOGY MCQ
GENETICS AND DISEASE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following combinations of alleles represents the same phenotype but different genotypes?
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Aa and AA
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Aa and aa
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AA and aa
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Aa and Aa
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Explanation:
Detailed explanation-1: -Dominant & Recessive Alleles The other allele is usually recessive which means it is only expressed if there are no alternate forms of the gene (other alleles) present. Therefore, both the genotypes AA and Aa produce a red feather phenotype.
Detailed explanation-2: -If an organism has two copies of the same allele, for example, AA or aa, it is homozygous for that trait. If the organism has one copy of two different alleles, for example, Aa, it is a heterozygous.
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