IGNOU LSE 3 2015 - What is ‘Quantitative Inheritance’? Elucidate with the hel

Question

What is ‘Quantitative Inheritance’? Elucidate with the help of an example.

23 Dec 2017

Answer :

Word Count : 363

It is a pattern of inheritance where a single phenotypic trait is governed by more than one pair of genes. Hence, there is formation of many possible genotypes as a result of which such traits show a wide range of phenotypes. Such a trait is called polygenic or multifactor trait and the pattern of inheritance is called polygenic or quantitative inheritance. In this inheritance, the F1 individuals are very much similar to one another and are usually intermediate between two parents. A cross between two F1 individuals results in a highly variable F2 progeny in which a few individuals resemble one grand

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