Linkage with increasing age becomes ......

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(A) Linkage is the physical association of genes on a chromosome. As an organism ages,the frequency of crossing over between homologous chromosomes de

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Stronger

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(A) Linkage is the physical association of genes on a chromosome. As an organism ages,the frequency of crossing over between homologous chromosomes decreases. Since crossing over is responsible for the separation of linked genes,a decrease in crossing over leads to a stronger linkage between the genes. Therefore,linkage becomes stronger with increasing age.

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