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How many types of gametes will be produced by a male Drosophila having following arrangement of two genes (y+ and w+) on X-chromosome? (See the image) 1) 2 2) 4 3) 1 4) 8

How many types of gametes will be produced by a male Drosophila having following arrangement of two genes (y+ and w+) on X-chromosome? 
 
(See the image)
 
1) 2    
2) 4
3) 1
4) 8
 

Question Image
Grade:12th pass

2 Answers

Akhil Nair
askIITians Faculty 32 Points
5 years ago
2 gametes possible. One gametes with only X chromosome (with those genes) + autosomed and another gamete with Y chromosome + autosomes 
Sejal Das
13 Points
5 years ago
wm means white and miniature and
w+ m+ means wild type .so  there will be 4 types of gametes produced i.e,
2parental types (wild type and white,miniature type) and 2 recombinat types (miniature and white)

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