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Question

Strength of linkage is indirectly proportional to


A

Distance between genes

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B

Number of chromosomes in the organism

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C

Synapsis

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D

Chiasma formation

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Solution

The correct option is A

Distance between genes


Linked genes sit close together on a chromosome, making them likely to be inherited together. Genes on separate chromosomes are never linked. But not all genes on a chromosome are linked. Genes that are farther away from each other are more likely to be separated during a process called homologous recombination. So, strength of linkage depends on the distance between genes.


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