Inheritance of skin colour in humans in an example of:

point mutation

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Polygenic inheritance

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codominance

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chromosomal aberration

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Solution

The correct option is B Polygenic inheritance
Polygenic Inheritance: Human skin colour is a good example of polygenic (multiple gene) inheritance. A genotype with all "dominant" capital genes (AABBCC) has the maximum amount of melanin and very dark skin. A genotype with all "recessive" small case genes (aabbcc) has the lowest amount of melanin and very light skin.

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