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प्रश्न
Any random fluctuation in allele frequency, occurring in the natural population by pure chance is called __________.
विकल्प
gene pool
gene mutation
genetic recombination
genetic drift
MCQ
रिक्त स्थान भरें
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उत्तर
Any random fluctuation in allele frequency, occurring in the natural population by pure chance is called genetic drift.
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Theories of Biological Evolution - Modern Synthetic Theory of Evolution
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संबंधित प्रश्न
What is ‘gene flow’?
Which of the following is TRUE for zygote mortality?
Match the columns and choose the correct option.
| Column I | Column II | ||
| i. | Zygote mortality | a. | Hybrid develops to maturity but becomes sterile |
| ii. | Hybrid sterility | b. | Egg is fertilized but zygote dies |
| iii. | Gamete mortality | c. | Union of two gametes does not occur in the iven time |
The structural, morphological change chromosome due to rearrangement is called ____________.
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- It occurs in asexually and sexually reproducing organisms.
- They occur due to random union of gametes, anaphasic separation of chromosomes, and crossing over.
- New genetic combinations result in variation.
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Sewall Wright effect is ______
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| Column A | Column B | ||
| (i) | Dryopithecus | (a) | Java and Peking |
| (ii) | Ramapithecus | (b) | Toung in South Africa |
| (iii) | Australopithecus | (c) | Lake Victoria of Africa |
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Define the Transformation.
