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Allopatric speciation is due to...

Allopatric speciation is due to

A

mutations

B

geographical separation of populations

C

migration of members of a species from one to other population

D

hybridization between closely related species

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The correct Answer is:
A
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Allopatric speciation is caused by

Assertion : There are chance of breakdown of isolating mechanism in allopatric speciation. Reason: Allopatric speciation is rapid process of speciation.

Sympartic speciation is :

Allopatric speciation occurs when

in allopatric speciation the initial barrier to gene flow is

Sympatric speciation is caused by

Sympatric speciation is caused by

TRUEMAN BIOLOGY-EVOLUTION-MULTIPLE CHOICE QUESTIONS
  1. A species is a collection of demes. The deme is a group of

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  2. In sympatric speciation

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  3. Allopatric speciation is due to

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  4. Survival of Fittest' was used by

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  5. Light coloured Peppered Moth/Biston betularia gets changed to its dark...

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  6. Closely related, morphologically similar reproductively isolated sympa...

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  7. The presence of vestigial organs in man supports :

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  8. Animals living in colder region have shorter tail and ears as compared...

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  9. Which one of the following scientists is not related with organic evol...

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  10. Who gave the 'Theory of pangenesis' Or Who is related with 'Galapa...

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  11. Who wrote the book 'Genetics and Origin of Species' ?

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  12. The theory which explains the origin of life and is based upon experim...

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  13. Darwin's finches show one of the following aspects of evolution.

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  14. The age of evolution of man is measured by

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  15. Wallace's line passes between

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  16. The origin of angiosperm took place during

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  17. Mutation cannot explain

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  18. Tasmanian wolf is a marsupial while wolf is a placental mammal. This s...

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

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  20. Two different species cannot live for long duration in the same niche ...

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