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Single step large mutation leading to sp...

Single step large mutation leading to speciation is also called

A

Founders effect

B

saltation

C

branching descent

D

natural selection

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The correct Answer is:
B
Saltation is the occurrence of a major mutation in a single generation, bringing about significant change
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Single step large mutation is called

Read the following statements regarding evolution (A-D)- A. Whales, bats, cheetah, and humans (all mammals) share similarities in the pattern of bones of forelimbs. B. The diversity of life forms on earth has been changing over millions of years. C. About 65 million years ago the dinosaurs suddenly disappeared from the earth. D. A single-step large mutation is called speciation and explained by Herbert Spencer. How many statements from the above is/are correct ?

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  2. In population of 1000 individuals 360 belongs to aa. Based on this dat...

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  3. Which of the following is the first step in allopatric speciation ?

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  4. Variation in gene frequencies within populations can occur by chance r...

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  5. The tendency of population to remain in genetic equilibrium may be dis...

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  6. Which of the following species are restricted to an area??

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  7. Population are said to be allopathic when

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  8. Biological concept of species is mainly based on

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  9. The process by which organisms with different evolutionary history evo...

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  10. Species is a

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  11. Read the following statements and select the correct option A. Incre...

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  12. Related species which are reproductively isolated but morphologically ...

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  13. Single step large mutation leading to speciation is also called

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  14. In the case of peppered moth (Biston betularia) the black-coloured fro...

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  15. Hardy-Weinberg equilibrium is known to be affected by gene flow, genet...

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  16. Change of frequency of alleles in a population results in evolution is...

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  17. Which of the following defines Hardy-Weinberg's law?

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  18. Industrial melanism as observed in peppered moth proves that the

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  19. The most likely reason for the development of resistance against pesti...

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  20. In a Mendelian population, the sum total of genes of all the individua...

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