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(D) : Linkage is the phenomenon of certain genes staying together during inheritance through generations without any change or separation due to their

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Tightly linked genes on the same chromosome show very few recombinations.

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(D) : 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.Linked genes occur in the same chromosome.The strength of the linkage between two genes is inversely proportional to the distance between the two.$i.e.$,two linked genes show a higher frequency of crossing over (recombination) if the distance between them is higher and a lower frequency if the distance is small.

Select the correct statement from the ones given below with respect to dihybrid cross.

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The map distance between genes $A$ and $B$ is $3$ units,between $B$ and $C$ $10$ units,and between $C$ and $A$ $7$ units. The order of the genes in a linkage map constructed on the above data would be:

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