question_answer

How many different types of gametes can be formed by  progeny, resulting from the following cross?  ?

A)  3                                            

B)  8

C)  27                                         

D)  64

Correct Answer: B

Solution :

Types of gametes  it = number of characters considered i.e. monohybrid cross (n=1), dihybrid cross (n = 2), trihybrid cross (n = 3) and so on. is a trihybrid cross, therefore, different types of gametes are