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Short answer type question How does genetic diversity affect the sustenance of a species? - Biology

Answer in Brief

Short answer type question

How does genetic diversity affect the sustenance of a species?

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Solution

Genetic diversity includes variation within a population and diversity between populations that are associated with adaptation to local conditions.

Genetic variations (e.g. allelic genes) lead to individual differences within species. Such variations eventually lead to evolution. They also improve the chances of continuation of species in the changing environmental conditions or allow the best adapted to survive.

The greater the genetic diversity, the better would be the sustenance of a species.

e.g.

a. Existence of subspecies or races

b. There are about 1000 varieties of mangoes and 50,000 varieties of rice or wheat in India.

c. A medicinal plant Rauwolfia vomitoria which secretes active component reserpine is found in different Himalayan ranges. This plant shows variations in terms of potency and concentration of the active chemical, from location to location.

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APPEARS IN

Balbharati Biology 12th Standard HSC Maharashtra State Board
Chapter 15 Biodiversity, Conservation and Environmental Issues
Exercise | Q 3.3 | Page 342
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