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प्रश्न
Transfer of gene between the population that differ genetically from one another is called _____.
(A) Gene mutation
(B) Gene flow
(C) Genetic drift
(D) Genetic recombination
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उत्तर
Gene flow
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संबंधित प्रश्न
Overproduction is the principle of
(A) Lamarckism
(B) Theory of organic evolution
(C) Panspermia theory
(D) Modern theory of evolution
Give two chromosomal similarities between man and apes.
From the visible spectrum of light, which component is reflected by the given leaves?
Match the following:
| Column- I | Column- II |
| 1. August Weismann | a. Mutation theory |
| 2. Hugo de vries | b. Germplasm theory |
| 3. Charl Darwin | c. Theory of acquired characters |
| 4. Lamark | d. Theory of natural selection |
Long answer question.
By taking industrial melanism as one example. Explain the concept of natural selection.
______ changes the genes rearrangement (order or sequence) resulting in variation.
What is a small interbreeding group of population called?
Identify the INCORRECT statement.
____________ brings about evolutionary changes by favouring differential reproduction of genes.
If the members of two different populations do not interbreed due to difference in the structure of reproductive organs, then it is called ______ isolation.
