The phenomenon in which one crossover decreases the likelihood of crossovers in nearby regions is called________ .
A)negative interference
B)reciprocal genetic exchange
C)mitotic recombination
D)positive interference
E)chiasma

Question

Quizplus · Accepted Answer

Positive interference refers to the phenomenon where the occurrence of a crossover event in one region of a chromosome reduces the probability of another crossover happening nearby. This leads to a lower than expected overall rate of recombination in those regions.

The Phenomenon in Which One Crossover Decreases the Likelihood of Crossovers