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Single step large mutation leading to sp...

Single step large mutation leading to speciation is also called

A

saltation

B

founder effect

C

branching descent

D

natural selection

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The correct Answer is:
A
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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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GRB PUBLICATION-ORGANIC EVOLUTION -REPRODUCTIVE ISOLATION
  1. According to Darwin, evolution is ...........

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  2. Statement (s ) : Populations of a species inhabiting different geogra...

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

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  4. Analogous structures are :

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  5. Fitness according to Darwin refers to

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  6. Balancing selection ' promotes :

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  7. How many biogeographical regions are present in India ?

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  8. Which is the correct order of increasing geological time scale for a h...

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  9. Example of homologous structure is // are :

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  10. According to Darwin, diversity in Australian marsupials is an example ...

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  11. Evolution is experimentally demonstrated by :

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  12. Besides radio dating which method can be used to find out whether a fo...

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  13. Darwin failed to notice the importance of :

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  14. A study of white winged and melanised moths made in England before and...

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  15. A major source of speciation is :

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  16. A theory of explain the mechanism of evolutino based on change in the ...

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  17. Evolution of different species in a given area starting from a point a...

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  18. Read the following statements and choose the correct option A. Incre...

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  19. The idea of mutations was brought forth by

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  20. The hardy-weinberg principle cannot operate if

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