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प्रश्न
Multiple choice question.
Gene frequency in a population remain constant due to –
पर्याय
Mutation
Migration
Random mating
Non- random mating
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उत्तर
Random mating
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संबंधित प्रश्न
Why are traits acquired during the life-time of an individual not inherited?
Give an example of characteristics being used to determine how close two species are in evolutionary terms.
Fill in the following blank with suitable word :
The human forelimb and bat's forelimb are an example of .......... organs whereas an insect's wing and a bat's wing are an example of ........... organs.
Match the terms given in column I with those given in column II :
| Column I | Column II |
| (1) Fossil | (a) A famous evolutionist |
| (2) A theory of evolution | (b) Survival of the fittest |
| (3) Probable ancestor of birds | (c) Petrified remains of prehistoric life |
| (4) Charles Darwin | (d) Father of genetics |
| (5) Gregor Mendel | (e) Archaeopteryx |
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Name any three types of postmating isolating mechanisms.
What is chromosomal aberration? Give any two types of aberrations found in the population.
Variations during mutations of meiotic recombinations are ______.
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