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Principles of Inheritance and Variation — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYPrinciples of Inheritance and Variation1 Mark
MCQ
Inheritance of skin colour in human beings is an example of:
  • A
    Complementary gene
  • B
    Monogenic inheritance
  • C
    Polygenic inheritance
  • D
    Mendelian inheritance
✓

Answer

  1. Polygenic inheritance

Explanation:

Polygenic inheritance occurs when one characteristic is controlled by two or more genes.

Often the genes are large in quantity but small in effect. Examples of human polygenic inheritance are height, skin color, eye color and weight.

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