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  4. A man having the genotype EEFfGgHH can produce P number of genetically different sperms, and a woman of genotype liLLMmNn can generate Q number of genetically different eggs. Determine the values of P and Q.

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Q. A man having the genotype $EEFfGgHH$ can produce $P$ number of genetically different sperms, and a woman of genotype $liLLMmNn$ can generate $Q$ number of genetically different eggs. Determine the values of $P$ and $Q$.

WBJEEWBJEE 2012Principles of Inheritance and Variation

Solution:

Types of gametes $= 2^n$, where $n$ is number of heterozygous loci. Thus, man will produce $2^2 = 4$ types of gametes and woman will produce $2^3 = 8$ types of gametes.