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Which of the following increases the num...

Which of the following increases the number of different alleles in a population

A

crossing over

B

Random fusion of gametes

C

Gene mutation

D

Reassorment of chromosomes in meiosis

Text Solution

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The correct Answer is:
C
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ARIHANT NEET-MECHANISM OF EVOLUTION-Chapter Exercises (A) Taking it together (Assorted Questions of the Chapter for Advanced Level Practice )
  1. Two organisms of different species mate and produce an offspring canno...

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  2. Which of the following cause phenotypic variation among the organisms ...

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  3. Which of the following increases the number of different alleles in a ...

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  4. Natural selection is best defined as occuring when the environment cau...

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  5. Miceoevolution can be measured by compairing observed allelic frequenc...

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  6. In diploid organisms, veriations is not subjected to natural selection...

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  7. People who carry an allele for normal haemoglobin and an allele for si...

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  8. What is the consequence of genetic drift?

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  9. Which one of the following is used for knowing whether or not a popula...

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  10. Many closely related species of marine invertebrates exist on either s...

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  11. Directional selection usuallt acts to favour

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  12. Disructive selective usually acts to favour

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  13. Under the biological species concept, the main criterion for identifyi...

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  14. In terms of changes in gene frequencies, founder events result in

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  15. After the demise of the dinosaurs mammals evovlved rapidly into many n...

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  16. The formation of a new species through changes in a single lineage is ...

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  17. The formation of two species from one ancestral species is known as

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  18. In a random mating population in an equilibrium which one of the follo...

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  19. Very similar species of fish release their eggs and sperms into the sa...

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  20. Two species pines pinus radiata and muricata occur sympatrically in ca...

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