- 1(current)
Q. No.The tendency of the population to remain in genetic equilibrium may be disturbed by:
| 1. | lack of migration | 2. | lack of mutations |
| 3. | lack of random mating | 4. | random mating |
Subtopic: Â Hardy Weinberg Law: 1 |Â Hardy Weinberg Law: 2 |Â Hardy Weinberg Law |
 76%
Level 2: 60%+
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The loss of genetic variation that occurs when a new population is established by a very small number of individuals from a larger population is called as:
| 1. | the bottleneck effect | 2. | the founder effect |
| 3. | assortative mating | 4. | random mating |
Subtopic: Â Hardy Weinberg Law |Â Sources of Variation |
 61%
Level 2: 60%+
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At a particular locus, the 'A' allele frequency is 0.6 and that of 'a' allele is 0.4. What would be the frequency of heterozygotes in a random mating population at equilibrium?
| 1. | 0.24 | 2. | 0.16 |
| 3. | 0.48 | 4. | 0.34 |
Subtopic: Â Hardy Weinberg Law |
 85%
Level 1: 80%+
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In some African populations, the frequency of the sickle cell allele in the human population is much higher than normal. This can be an example of:
| 1. | gene flow | 2. | heterozygote advantage |
| 3. | genetic drift | 4. | nonrandom mating |
Subtopic: Â Hardy Weinberg Law |
 75%
Level 2: 60%+
Hints
A population will not exist in Hardy-Weinberg equilibrium if:
1. individuals mate selectively
2. there are no mutations
3. there is no migration
4. the population is large
2. there are no mutations
3. there is no migration
4. the population is large
Subtopic: Â Hardy Weinberg Law: 1 |Â Hardy Weinberg Law: 2 |Â Hardy Weinberg Law |
 78%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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