An allele that reduces the fitness of organisms is found to decrease very rapidly in a population. Most likely this allele is:
1. recently mutated
2. rare
3. dominant
4. recessive

Subtopic:  Hardy Weinberg Law |

To unlock all the explanations of this course, you need to be enrolled.

Hints

The change in allele frequencies that occurs over time within a population is called as:
1. microevolution, or adaptive evolution
2. macroevolution, or speciation
3. coevolution
4. phylogenetic evolution

Subtopic:  Hardy Weinberg Law |
 51%

To unlock all the explanations of this course, you need to be enrolled.

Hints

The tendency of population to remain in genetic equilibrium may be disturbed by 
1. Random mating
2. Lack of migration
3. Lack of mutations
4. Lack of random mating 

Subtopic:  Hardy Weinberg Law |
 61%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


advertisementadvertisement

Which of the following is a useful tool to measure microevolution?
1. Genetic drift
2. Hardy-Weinberg equation
3. Mendelian ratios
4. Age/sex ratio

Subtopic:  Hardy Weinberg Law |
 67%

To unlock all the explanations of this course, you need to be enrolled.

Hints

Population that experience genetic drift most commonly are:
1. isolated
2. small in number
3. mobile
4. closely adapted to their environment

Subtopic:  Difference Between Drift & Selection | Hardy Weinberg Law | Sources of Variation |
 71%

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


Persons with sickle cell trait are resistant to severe malaria. This shows:
1. heterozygote advantage
2. heterosis
3. punctuated equilibrium
4. reverse evolution

Subtopic:  Definition & Types of Evolution | Hardy Weinberg Law |
 78%

To unlock all the explanations of this course, you need to be enrolled.

Hints

advertisementadvertisement

Genetic drift operates in  
1. Large isolated populations
2. Non-reproductive populations
3. Slow reproductive populations
4. Small isolated population 

Subtopic:  Hardy Weinberg Law |
 78%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


Which is the most common mechanism of genetic variation in the population of a sexually reproduction organism? 
1. Transduction
2. Chromosomal aberrations
3. Genetic drift
4. Recombination 

Subtopic:  Hardy Weinberg Law |
 79%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by 
1. 2pq
2. Pq
3. q2
4. p2

Subtopic:  Hardy Weinberg Law |
 92%
From NCERT

To unlock all the explanations of this course, you need to be enrolled.

Hints

To unlock all the explanations of this course, you need to be enrolled.


advertisementadvertisement