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A population will not exist in Handy - Weinberg equilibrium if

  • individuals mate selectively

  • there are no mutations

  • there is no migration

  • there is no migration


A.

individuals mate selectively

Hardy-Weinberg equilibrium exists in population only when following conditions are present.
No mutation
No gene flow
No genetic drift
No genetic recombination
No natural selection pressure.
If the individuals in the population mate selectively, it will had to mutation thus shifting the Hardy-Weinberg equilibrium.

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Which one of the following are analogous structures?

  • Wings of bat and wings of pigeon

  • Gills of prawn and lungs of man

  • Thorns of Bougainvillea and tendrils of Cucurbita

  • Thorns of Bougainvillea and tendrils of Cucurbita


Which of the following had the smallest brain capacity?

  • Homo erectus

  • Homo sapiens

  • Homo neanderthalensis

  • Homo neanderthalensis


What was the most significant trend in the evolution of modern man (Homo sapiens) from his ancestors? 

  • shortening of jaws

  • Binocular vision

  • Increasing brain capacity 

  • Increasing brain capacity 


Darwin's finches are a good example of 

  • industrial melanism

  • connecting link

  • adaptive radiation

  • adaptive radiation


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