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Question

Inheritance of skin colour in human beings is an example of

A
Mendelian inheritance
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B
Monogenic inheritance
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C
Complementary genes
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D
Polygenic Quantitative inheritance
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Solution

The correct option is D Polygenic Quantitative inheritance

A.Mendenlian Inheritance – Transfer of traits from one generation into another into next generation in the form of a particulate structures is called Mendelian Inheritance. Eg: cross based on height or colour and shape of seeds.

B.Monogenic inheritance – It is also called Monohybrid cross. cross between a homozygous dominant parent and a homozygous recessive parent on the basis of single character. Eg:cross based on height of the pea plants.

C.Complementary genes - Two independent pairs of genes, which interact to produce a trait together, but each dominant gene alone does not show its effect, are called complementary genes. eg:cross based on colour of flowers in Sweet potato.

D.Polygenic/Quantitative inheritance - Controlling of a character by two or more genes is called Multifactor inheritance. Eg:inheritance of skin colour of human beings.

So, the correct option is ‘ Polygentc/Quantitative inheritance.

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