4.Principles of Inheritance and Variation
easy

Definitions / Explanation :

$1.$ genetics

$2.$ Heredity

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Option B
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Option D

Solution

Given that they do, are the offspring identical to their parents? Or do they show differences in some of their characteristics? Have you ever wondered why siblings sometimes look so similar to each other? Or sometimes even so different?
          These and several related questions are dealt with, scientifically, in a branch of biology known as Genetics.

 Inheritance is the process by which characters are passed on from parent to progeny; it is the basis of heredity.

Standard 12
Biology

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