Multiple choice

Which of the following statements is false regarding epistasis?

  1. Epistasis has a small influence on the shape of evolutionary landscapes.

  2. Epistasis within the genomes of organisms occurs due to interactions between the genes within the genome.

  3. Negative epistasis and sex are thought to be intimately correlated.

  4. Epistasis is measured as the difference between the effects of the mutations together versus the sum of their individual effects.

  5. Epistasis in diploid organisms is further complicated by the presence of two copies of each gene.
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A Correct answer
Explanation

Epistasis has a large influence on the shape of evolutionary landscapes, which leads to profound consequences for evolution and evolvability of traits.

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