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A metallic blue-colored Indian blue peahen with long pinion feathers is crossed

ID: 189217 • Letter: A

Question

A metallic blue-colored Indian blue peahen with long pinion feathers is crossed with a dull brown-colored Indian blue peacock with short pinion feathers. Half of the resulting peacocks are metallic blue with short pinions and half the resulting peacocks are metallic blue with long pinions. Half of the resulting peahens are dull brown with short pinions and half the peahens are dull brown with long pinions. Long pinions are the result of a functional protein. A) Which gene is sex-linked? B) What are the genotypes of each parent and each type of offspring?

Explanation / Answer

Ans-A- in the above there is no gene which is sex linked as both of the peacock and peahen are having both types of colours and feathers

Ans-B- the parents are having BbLl for peahen and bbll for peacock . Out of the offspring two will be having BbLl and two will be having bbll.