Q. An organism has two unlinked genes P and Q. Its genotype is PpQq. How many different types of gametes will be formed?

 2549  210 NTA AbhyasNTA Abhyas 2020Principles of Inheritance and Variation Report Error

Solution:

If genes are unlinked than they separate during gamete formation and a dihybrid PpQq forms 4 types of gamete. A gamete can have only one allele of a gene thus four types of gametes are formed PQ, Pq, pQ, pq.