NEET Biology question
Linked gene pair cross over values (COV): T and U = 25; T and V = 5; V and U = 30; U and W = 10; V and W = 20. Find out their sequence in the chromosome.
Answer: (A)
Solution
Genes with a lower cross over value (COV) lie closer together, and the COV between any two genes should approximately equal the sum of the COVs of the intervening gene segments on a linear map. Taking the smallest COV, T-V = 5, places T and V as close neighbours; U-W = 10 places
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