What are the different ways in which ind | Class 10 Science Chapter Heredity and Evolution, Heredity and Evolution NCERT Solutions

Question:

What are the different ways in which individuals with a particular trait may increase in a population?

Answer:

There are many different ways in which individuals with a particular trait may increase in a population and these are following :

  • Genetic drift, natural selection, well nourishment of the child, geographical isolation, mutation etc.
  • Genetic drift is when there is any calamity that occurs in the population, if some of them individuals not living then the remaining ones shift to the new place and they can pass their genes to the next generation or can increase the population.
  • Natural selection occurs for the survival of the fittest organisms who adapt themselves according to the variations in environmental conditions, and variation is the important factor of the evolution. So, the maturation and adaptation factors of an individual to the environment may lead to increase in the population.
  • If the well nourishment of the child is done by parents, the population will start increasing.
  • Mutation plays the major role in genetic variations. It alters the genes expression or gene sequence in the chromosome may lead to increase in a particular trait.


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Welcome to the NCERT Solutions for Class 10 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 3 , Question 1: What are the different ways in which individuals with a particular trait may increase in a populatio....

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