When two contrasting alleles pair and one allele's trait visibly overshadows the other, this phenomenon is known as the law of _________?

Biology Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Biology Mcqsbiology-mcqs
Published
5 Jul 2021
Last updated
28 May 2026

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Explanation

The law of dominance states that when two different alleles are present, one allele can mask the expression of the other in the organism's phenotype. This explains why only one trait is visible despite the presence of two alleles.

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