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Accidental fluctuation in alleles of sma...

Accidental fluctuation in alleles of small population is termed as

A

demes

B

genetic drift

C

genetic shift

D

genetic thrift

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The correct Answer is:
B
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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. The forces that change the allele and genotype frequencies of a popula...

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  2. Genetric drift is a …………… process

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  3. Accidental fluctuation in alleles of small population is termed as

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  4. Adaptation of a species is its

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  5. A new mutation spreads from one population,to another by mean of

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  6. Rapid decline in the population , due to high mortality rate is called

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  7. A plant population that reproduces by self pollination is an extreme e...

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  8. Which of the following process is/are adaptive?

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  9. A suffling of alliles like a deck of cards leads to different 'hands',...

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  10. The relative fitness of different types within a population is probabl...

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  11. In which condition the gene ratio remains constant for any species ?

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  12. A deleterious allele decreases more rapidly in frequency, if it is

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  13. A beneficial allele increases rapidly in frequency, if it is

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  14. A single genotype can give rise to a range of phenotypes, called the g...

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  15. Which of these is a premating isolating mechanism?

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  16. Male moths recorgnise female moths of their species by sencing pferomo...

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  17. Members of a biological species are poteincially able to

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  18. A prezygotic isolating mechanism prevents successful

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  19. Which of the following is used to determine whether two populations be...

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  20. Speciation as a smallseries of changes thataccumulate over time, ia kn...

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