After Chi square statistical analysis of two-point recombination mapping cross,

Question

After Chi square statistical analysis of two-point recombination mapping cross, the null hypothesis is rejected. Which of the following is the best explanation for this result?

a.linkage map distances are identical between males and females.

b.the frequency of crossing over varies along the length of the chromosome.

c.The absolute position of genes on chromosomes is slightly different in every individual.

d.Physical distance between genes change during recombination events.

e.The relationship between recombination frequency and map units changes after every generation.

Explanation / Answer

Ans is D

Null hypothesis determine the genes are not linked.

conclusion is Reject the null hypothesis when genes are linked.

In question null hypthesis is reject. It is possible when genes are linked even after two point recombination.

It is occured only by physical distance between genes change during recombination events.

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