- 1(current)
Q. No.In a population of 1000 individuals, 360 belong to genotype AA, 480 to Aa and the remaining 160 to aa. Based on this data, the frequency of allele A in the population is:
| 1. | 0.4 | 2. | 0.5 |
| 3. | 0.6 | 4. | 0.7 |
Subtopic: Â Hardy Weinberg Law: 1 |Â Hardy Weinberg Law |
 76%
Level 2: 60%+
AIPMT - 2014
Hints
Random unidirectional change in allele frequencies that occur by chance in all populations and especially in small populations is known as:-
1. Migration
2. Natural selection
3. Genetic drift
4. Mutation
1. Migration
2. Natural selection
3. Genetic drift
4. Mutation
Subtopic: Â Hardy Weinberg Law |
 79%
Level 2: 60%+
NEET - 2013
Hints
Match List-I with List-II:
Choose the correct answer from the options given below:
1. A-III,B-II,C-I,D-IV
2. A-IV,B-II,C-III,D-I
3. A-I,B-II,C-III,D-IV
4. A-II,B-III,C-IV,D-I
| List-I | List-II | ||
| A. | Gene pool | I. | Stable within a generation |
| B. | Genetic drift | II. | Change in gene frequency by chance |
| C. | Genetic flow | III. | Transfer of genes into or out of population |
| D. | Gene frequency | IV. | Total number of genes and their alleles |
1. A-III,B-II,C-I,D-IV
2. A-IV,B-II,C-III,D-I
3. A-I,B-II,C-III,D-IV
4. A-II,B-III,C-IV,D-I
Subtopic: Â Hardy Weinberg Law |
 76%
Level 2: 60%+
NEET - 2024
Hints
Variation in gene frequencies within populations can occur by chance rather than by natural selection.
This is referred to as:
1. Genetic drift
2. Random mating
3. Genetic load
4. Genetic flow
Subtopic: Â Hardy Weinberg Law |
 85%
Level 1: 80%+
AIPMT - 2013
Hints
In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by?
| 1. | p2 | 2. | 2pq |
| 3. | pq | 4. | q2 |
Subtopic: Â Hardy Weinberg Law: 1 |Â Hardy Weinberg Law |
 90%
Level 1: 80%+
NEET - 2016
Hints
Consider the given two statements:
| Assertion (A): | Deviation from Hardy-Weinberg equilibrium is evidence of evolutionary change within a population. |
| Reason (R): | Genetic drift, gene flow, mutation, non-random mating, or natural selection can lead to deviation from Hardy-Weinberg equilibrium. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A) |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Â Hardy Weinberg Law |
Level 4: Below 35%
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