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प्रश्न
Short answer question.
What is disruptive selection?
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उत्तर
Disruptive natural selection is a selection in which more number of individuals acquire peripheral character value at both ends of the distribution curve.
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संबंधित प्रश्न
List three distinguishing features, in tabular form, between acquired traits and the inherited traits.
What is meant by a dominant gene?
What is meant by an acquired trait?
Scientists believe that all life originated in :
(a) the sea
(b) the soil
(c) the ground
(d) the air
Read the following statement and justify the same in your own words with the help of a suitable example.
Human evolution began approximately 7 crore years ago.
Explain the following :
(a) Speciation
(b) Natural Selection
Short answer question.
Write a note on Genetic drift.
Name any three types of postmating isolating mechanisms.
Genetic drift is change of:
Had Darwin been aware of Mendel’s work, would he been able to explain the origin of variations. Discuss.
