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NEET 2006
Exam
NEET
Year
2006
Subject
Zoology
Chapter
Principles of Inheritance and Variation

NEET 2006 · Zoology · Principles of Inheritance and Variation

Which one of the following is an example of polygenic inheritance?

Which one of the following is an example of polygenic inheritance?

Options

  1. Askin colour in humans
  2. Bflower colour in Mirabilis jalapa
  3. Cproduction of male honey bee
  4. Dpod shape in garden pea

Correct answer

A. skin colour in humans

Step-by-step solution

Inheritance of skin colour in human is controlled by three pairs of genes, A,B\mathrm{A}, \mathrm{B} and C\mathrm{C} which is polygenic inheritance. Codominance is shown by Blood group AB\mathrm{AB}. Chromosomal aberration and point mutation change the genetic sequence of human genome.
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