12th Class Fsc Biology Online Preparation for chapter 24 (Evolution)

Online Short Questions For Chapter 10 "12th Class Biology Chapter 24 Short Questions Preparation "

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Biology - 12th Class Biology Chapter 24 Short Questions Preparation

Question # 1

How does genetic drift affect the gene frequency?

  • Ans 1: It is a change in frequency of alleles at a locus that occurs by chance.In small populations,such as fluctuations may lead to loss of particular alleles.This may occur in a small population when a few individual fail to reproduce and then genes are lost from population.
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Prepare Complete Set Wise Questions For Chapter 10 "12th Class Biology Chapter 24 Short Questions Preparation "

12th Class Biology Chapter 24 Short Questions Preparation - Set 1

Question # 1

How does genetic drift affect the gene frequency?

  • Ans 1: It is a change in frequency of alleles at a locus that occurs by chance.In small populations,such as fluctuations may lead to loss of particular alleles.This may occur in a small population when a few individual fail to reproduce and then genes are lost from population.
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12th Class Biology Chapter 24 Short Questions Preparation - Set 2

Question # 1

Differentiate between endangered and extinct species.

  • Ans 1: Endangered Species: Endangered species are those which are near to extinct.
  • Ans 2: Extinct Species: Extinct species are those which have been vanished from biosphere and even a single member is not present on the earth anywhere.
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24th Chapter

12th Class Biology Chapter 24 Short Questions

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