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प्रश्न
What is hybrid sterility?
उत्तर
Hybrids develop to maturity but become sterile due to failure of proper gametogenesis (meiosis). This is called hybrid sterility. e.g. Mule is an inter-generic hybrid that is sterile.
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संबंधित प्रश्न
All are post zygotic barriers, EXCEPT
______ changes the genes rearrangement (order or sequence) resulting in variation.
Which of the following phenomena results in genetic recombination?
The structural, morphological change chromosome due to rearrangement is called ____________.
What is a small interbreeding group of population called?
Industrial melanism is one of the best example for ______.
Sewall Wright effect is ______
Domestic wheat, which has 42 chromosomes, is probably hexaploid (6n), whereas the haploid number in the ancestral ones was 7. Find out the right reason as to how are such plants produced?
Mention the name of a sterile animal produced by intergeneric hybridisation.
Match the following
| Column A | Column B | ||
| (i) | Dryopithecus | (a) | Java and Peking |
| (ii) | Ramapithecus | (b) | Toung in South Africa |
| (iii) | Australopithecus | (c) | Lake Victoria of Africa |
| (iv) | Homo erectus | (d) | Shivalik hills in India |
