What do you mean by a linkage group?

A group comprising all the genes located at the same distance from the centromeres of their respective chromosomes

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A group comprising the genes located at the terminal positions of their respective chromosomes

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A group comprising all the genes located on a single chromosome

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A group comprising of genes located on the sex chromosomes only

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Solution

The correct option is C A group comprising all the genes located on a single chromosome
Linkage is the phenomenon in which two or more genes are located on the same chromosome and within such distances that they are considered as a single unit and inherited together. Thus a linkage group comprises all the genes located on a single chromosome.
Genes located on the sex chromosomes are known as sex linked genes.
No special term has been used for a group of genes located equidistant from centromere or at terminal positions of their respective chromosomes.

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