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Gene Flow

we know that ...

Question

we know that linkage between 2 genes decreases with increase in distance between them.then acoording to this if distance between A and B genes is large then crossing over will occur but some other gene would be linked to A or B near them.how does It actually occur

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Q. Statement 1: The physical distance between two linked genes determines both the strength of linkage and frequency of crossing over between them.
Statement 2: Linked genes show a higher chance of inheritance together if the distance between them is longer.

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Q. Assertion :The maximum frequency of recombination, that can result from crossing over between linked genes, is 50 percent. Reason: Linked genes shown higher frequency of crossing over if distance between them is longer.

Q. Distance between two linked genes upon a chromosome measured in cross-over units is

Q. Determination of linkage and % of crossing over between two linked genes is important because

Q. Assertion :Statement 1: The physical distance between two genes determines both the strength of linkage and frequency of crossing over between two genes. Reason: Statement 2 : One cross-over reduces the occurrence of another cross-over in its vicinity.

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