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BIO 201 Objective Question

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Which of the following statements correctly defines an allelic gene interaction?

A It is an intragenic interaction occurring between alleles of the same gene at a single locus.

Correct Answer

B It is an intergenic interaction occurring between separate genes at different loci.

C It involves one gene masking the phenotypic expression of an entirely different gene locus.

D It requires duplicate or complementary action across multiple gene pairs on different chromosomes.

Option A is the correct answer.

Allelic gene interactions occur between different variants (alleles) of the same gene at a single locus (intragenic interaction).

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Course: BIO 201

Type: Objective

Difficulty: Not specified

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