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Define linkage

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Define linkage
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Meghna Thapar 5 years, 5 months ago

The tendency for genes to be inherited together as a package because of their location near one another on the same chromosome. Linkage is the phenomenon of certain genes staying together during inheritance through generations without any change or separation due to their being present on the same chromosome. All those genes which are located in the single chromosome form one linkage group. The total number of linkage group in an organism corresponds to the number of chromosome pairs. For example, there are 23 linkage groups in man, 7 in sweet pea and 4 in Drosophila melanogaster.

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