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A very small population of a species fac...

A very small population of a species faces a greater threat of extinction than a larger population, Provide a suitable genetic explanation.

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Fewer individuals in a species impose extensive inbreeding among them. This limits the appearance of variations and puts the species at a disadvantage if there are changes in the environment. Since the individuals fail to cope up with the environmental changes, they may become extinct.
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VK GLOBAL PUBLICATION-HEREDITY AND EVOLUTION -SHORT ANSWER QUESTIONS - I
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  9. Why offsprings differ from parents in certain characters?

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  10. What are the causes of variations?

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  11. Give the pair of contrasting traits of the following characters in pea...

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  12. What is the contribution of Mendel to genetics?

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  13. Do genetic combination of mothers play a significant role in determini...

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  14. How does use and disuse of an organ help in evolution of a new species...

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  15. A very small population of a species faces a greater threat of extinct...

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  16. Does the occurrence of diversity of animals on earth suggest their div...

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  17. All the human races like Africans, Asians, Europeans, Americans and ot...

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  18. A change in DNA that is useful for one property to start with, can bec...

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  19. List two differences in tabular form between dominant trait and recess...

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  20. How many pairs of chromosomes are present in human beings? Out of thes...

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