346523
Which one of the following supports Hardy-Weinberg equilibrium?
1 Gene migration
2 Genetic drift
3 Natural selection
4 None of them
Explanation:
Any factor, which can disturb the frequency of alleles in a population is likely to affect the Hardy-Weinberg equilibrium.The alleles in a population can be altered by mutation, migration, genetic drift, recombination, and natural selection.
BIOXII07:EVOLUTION
346524
Which of the following is false in case of a species?
1 Variation occur among members of a species
2 Gene flow does not occur between the populations of a species
3 Members of a species can interbreed
4 Every species is reproductively isolated from every other species
Explanation:
Gene flow is the transfer of alleles from one population to another population through immigration of individuals.
BIOXII07:EVOLUTION
346525
Assertion : Cheetah is an example for bottleneck effect Reason : Bottleneck effect is when population is subjected to near extinction by a disaster or slaughter by humans
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
Explanation:
A population bottleneck is a sharp reduction in the size of a population due to environmental events (such as earthquakes, floods, fires, or droughts) or human activities (such as genocide). Such events can reduce the variation in the gene pool of a population. According to the May 2007 study, female cheetahs seem to be at least as promiscuous as their male counterparts. Females frequently mate with several different males while they are fertile and are then likely to bear a single litter of cubs fathered by multiple males making many of the cubs within a single litter only half-siblings. This discovery has important implications for the conservation of these endangered animals. So, Cheetah is an example of bottle neck effect.
BIOXII07:EVOLUTION
346526
The Hardy - Weinberg principle cannot operate if:
1 The population is very large
2 Frequent mutations occur in the population
3 The population has no chance of interaction with other populations
4 Free interbreeding occurs among all members of the population
Explanation:
Hardy-Weinberg principle explains population genetics. It is an expression of Hardy-Weinberg equilibrium, which states that the amount of genetic variation in a population will remain constant from one generation to the next if the disturbing factors are absent. It can maintained only in hypothetical populations.
346523
Which one of the following supports Hardy-Weinberg equilibrium?
1 Gene migration
2 Genetic drift
3 Natural selection
4 None of them
Explanation:
Any factor, which can disturb the frequency of alleles in a population is likely to affect the Hardy-Weinberg equilibrium.The alleles in a population can be altered by mutation, migration, genetic drift, recombination, and natural selection.
BIOXII07:EVOLUTION
346524
Which of the following is false in case of a species?
1 Variation occur among members of a species
2 Gene flow does not occur between the populations of a species
3 Members of a species can interbreed
4 Every species is reproductively isolated from every other species
Explanation:
Gene flow is the transfer of alleles from one population to another population through immigration of individuals.
BIOXII07:EVOLUTION
346525
Assertion : Cheetah is an example for bottleneck effect Reason : Bottleneck effect is when population is subjected to near extinction by a disaster or slaughter by humans
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
Explanation:
A population bottleneck is a sharp reduction in the size of a population due to environmental events (such as earthquakes, floods, fires, or droughts) or human activities (such as genocide). Such events can reduce the variation in the gene pool of a population. According to the May 2007 study, female cheetahs seem to be at least as promiscuous as their male counterparts. Females frequently mate with several different males while they are fertile and are then likely to bear a single litter of cubs fathered by multiple males making many of the cubs within a single litter only half-siblings. This discovery has important implications for the conservation of these endangered animals. So, Cheetah is an example of bottle neck effect.
BIOXII07:EVOLUTION
346526
The Hardy - Weinberg principle cannot operate if:
1 The population is very large
2 Frequent mutations occur in the population
3 The population has no chance of interaction with other populations
4 Free interbreeding occurs among all members of the population
Explanation:
Hardy-Weinberg principle explains population genetics. It is an expression of Hardy-Weinberg equilibrium, which states that the amount of genetic variation in a population will remain constant from one generation to the next if the disturbing factors are absent. It can maintained only in hypothetical populations.
346523
Which one of the following supports Hardy-Weinberg equilibrium?
1 Gene migration
2 Genetic drift
3 Natural selection
4 None of them
Explanation:
Any factor, which can disturb the frequency of alleles in a population is likely to affect the Hardy-Weinberg equilibrium.The alleles in a population can be altered by mutation, migration, genetic drift, recombination, and natural selection.
BIOXII07:EVOLUTION
346524
Which of the following is false in case of a species?
1 Variation occur among members of a species
2 Gene flow does not occur between the populations of a species
3 Members of a species can interbreed
4 Every species is reproductively isolated from every other species
Explanation:
Gene flow is the transfer of alleles from one population to another population through immigration of individuals.
BIOXII07:EVOLUTION
346525
Assertion : Cheetah is an example for bottleneck effect Reason : Bottleneck effect is when population is subjected to near extinction by a disaster or slaughter by humans
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
Explanation:
A population bottleneck is a sharp reduction in the size of a population due to environmental events (such as earthquakes, floods, fires, or droughts) or human activities (such as genocide). Such events can reduce the variation in the gene pool of a population. According to the May 2007 study, female cheetahs seem to be at least as promiscuous as their male counterparts. Females frequently mate with several different males while they are fertile and are then likely to bear a single litter of cubs fathered by multiple males making many of the cubs within a single litter only half-siblings. This discovery has important implications for the conservation of these endangered animals. So, Cheetah is an example of bottle neck effect.
BIOXII07:EVOLUTION
346526
The Hardy - Weinberg principle cannot operate if:
1 The population is very large
2 Frequent mutations occur in the population
3 The population has no chance of interaction with other populations
4 Free interbreeding occurs among all members of the population
Explanation:
Hardy-Weinberg principle explains population genetics. It is an expression of Hardy-Weinberg equilibrium, which states that the amount of genetic variation in a population will remain constant from one generation to the next if the disturbing factors are absent. It can maintained only in hypothetical populations.
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BIOXII07:EVOLUTION
346523
Which one of the following supports Hardy-Weinberg equilibrium?
1 Gene migration
2 Genetic drift
3 Natural selection
4 None of them
Explanation:
Any factor, which can disturb the frequency of alleles in a population is likely to affect the Hardy-Weinberg equilibrium.The alleles in a population can be altered by mutation, migration, genetic drift, recombination, and natural selection.
BIOXII07:EVOLUTION
346524
Which of the following is false in case of a species?
1 Variation occur among members of a species
2 Gene flow does not occur between the populations of a species
3 Members of a species can interbreed
4 Every species is reproductively isolated from every other species
Explanation:
Gene flow is the transfer of alleles from one population to another population through immigration of individuals.
BIOXII07:EVOLUTION
346525
Assertion : Cheetah is an example for bottleneck effect Reason : Bottleneck effect is when population is subjected to near extinction by a disaster or slaughter by humans
1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect.
Explanation:
A population bottleneck is a sharp reduction in the size of a population due to environmental events (such as earthquakes, floods, fires, or droughts) or human activities (such as genocide). Such events can reduce the variation in the gene pool of a population. According to the May 2007 study, female cheetahs seem to be at least as promiscuous as their male counterparts. Females frequently mate with several different males while they are fertile and are then likely to bear a single litter of cubs fathered by multiple males making many of the cubs within a single litter only half-siblings. This discovery has important implications for the conservation of these endangered animals. So, Cheetah is an example of bottle neck effect.
BIOXII07:EVOLUTION
346526
The Hardy - Weinberg principle cannot operate if:
1 The population is very large
2 Frequent mutations occur in the population
3 The population has no chance of interaction with other populations
4 Free interbreeding occurs among all members of the population
Explanation:
Hardy-Weinberg principle explains population genetics. It is an expression of Hardy-Weinberg equilibrium, which states that the amount of genetic variation in a population will remain constant from one generation to the next if the disturbing factors are absent. It can maintained only in hypothetical populations.
