Question

Linkage or crossing-over of genes are alternatives of each other. Justify with the help of an example. [

Answer 1

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Linkage or crossing-over of genes are alternatives of each other. Justify with the help of anexample. Linkage is the tendency for two or more non-allelic genesto be inherited together, because they are located more or less closely on the same chromosome. ... If linkage is less the crossing over will be more.

Answer 2

Answer:

Genetic linkage is the tendency of alleles that are close together on a chromosome to be inherited together during the meiosis phase of sexual reproduction.

Crossing over involves the mutual exchange of segments of genetic material between non-sister chromatids of two homologous chromosomes so as to produce recombinants or a new combination of genes.

Thus, they are alternatives of one another i.e., if linkage is present in between genes, no crossing over occurs between them and if crossing over between two genes occurs then they are not linked.

Explanation:

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