- 1(current)
Q. No.Gene flow is :
1. the migration of species populations to new areas
2. the exchange of genes during fertilization
3. mating between close relatives
4. the movement of genes between species populations
Subtopic: Â Population Genetics |Â Genetic Basis of Adaptation |Â Hardy Weinberg Law |
From NCERT
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Genetic drift is :
| 1. | random changes in gene frequency in a population |
| 2. | generational fluctuations in gene frequencies that produce no effect |
| 3. | changes due to interbreeding with other species populations |
| 4. | the effect of mutations as they spread through neighbouring populations |
Subtopic: Â Hardy Weinberg Law |
 85%
From NCERT
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The type of natural selection that operates to eliminate intermediate phenotypes in a population is known as:
| 1. | Directional selection | 2. | Disruptive selection |
| 3. | Stabilizing selection | 4. | Reverse selection |
Subtopic: Â Natural Selection |Â Hardy Weinberg Law |
 70%
From NCERT
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Q. No.
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