GENETICS Select all of the following statements that are true. A) Two genes that

Question

GENETICS

Select all of the following statements that are true.

A) Two genes that are more than 50 map units apart do not experience a crossover event between them.

B) Two genes that are 80 map units apart will display a recombination frequency of 50 %

C) The phenomenon in which one crossover decreases the likelihood of crossovers in nearby regions is known as tight linkage.

D) When interference is complete, the frequency of double crossovers is zero.

E) If two gene loci are on nonhomologous chromosomes, these genes are expected to assort independently.

Explanation / Answer

option E is true - if two genes loci are on non homologous chromosome , they assort independently .

option A and B is also true - because morei s the distance between the genes more is the frequencies . so if they are 80 mu a part there will more than 50 crossover can occur .if they are less than 50 mu , cross over will be less .

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