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प्रश्न
Define Population.
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उत्तर
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संबंधित प्रश्न
Give any ‘two’ factors responsible for genetic variation.
Why only left ovary and oviduct arc present in birds?
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
Short answer question.
Enlist the different factors that are responsible for changing gene frequency.
Match the columns and choose the correct option.
| Column I | Column II | ||
| i. | Ecological isolation | a. | Sexually mature at different times of the year |
| ii. | Ethological isolation | b. | Specific mating behaviours |
| iii. | Mechanical isolation | c. | Difference in structure of mating organs |
| iv. | Seasonal isolation | d. | Same geographic region but separate habitat |
Hybrids develop to maturity but become sterile due to failure of proper gametogenesis. This is a post mating barrier called ____________.
Which is TRUE for industrial melanism?
____________ brings about evolutionary changes by favouring differential reproduction of genes.
Sewall Wright effect is ______
Mention the name of a sterile animal produced by intergeneric hybridisation.
