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In meiosis, the daughter cells are not similar to the parent because of
- a)Crossing over
- b)Synapsis
- c)Both 1 and 2 above
- d)None of the above
Correct answer is 'A'. Can you explain this answer?
Verified Answer
In meiosis, the daughter cells are not similar to the parent because o...
Meiosis is basically an extended and complex version of mitosis. The term “Reductional division” gives this process the underlying definition, a sequence of events that results in reduction of the total number of chromosomes (from a diploid state of 46 to a haploid state of 23; in general, from ‘2n’ to ‘n’).
However, in the initial steps of meiosis, there is an eventful period wherein the previously duplicated chromosomes (in the S-Phase or Synthesis phase of cell cycle) exchange a part of their respective genetic material, a process termed as Recombination through crossing over (of the genetic material). The further steps are the same as in mitosis, but because of the exchange, the daughter chromosomes will have a different identity than their parents.
Most Upvoted Answer
In meiosis, the daughter cells are not similar to the parent because o...
Crossing over means exchanging of chromosomes and this leads to formation of hybrid chromosomes that is different from parents chromosomes
Community Answer
In meiosis, the daughter cells are not similar to the parent because o...
Explanation:
Meiosis is a type of cell division that results in four daughter cells with half the number of chromosomes as the parent cell. This process involves two divisions - meiosis I and meiosis II - and includes several unique events that contribute to genetic diversity.
Crossing Over:
One of the main events that occurs during meiosis is crossing over, which happens during prophase I of meiosis I. During this stage, homologous chromosomes pair up and exchange sections of genetic material, resulting in new combinations of genes. This process helps to increase genetic diversity among offspring because it creates novel combinations of alleles that were not present in either parent.
Synapsis:
Synapsis is another important event that occurs during meiosis I. This is the process by which homologous chromosomes come together and align themselves along their entire length. This pairing helps to ensure that each daughter cell receives one complete set of chromosomes.
Difference from Mitosis:
Compared to mitosis, which results in two identical daughter cells, meiosis results in four genetically diverse daughter cells. This is because of the unique events that occur during meiosis, including crossing over and synapsis, which help to generate new combinations of genes.
Conclusion:
Therefore, the correct answer is option A, crossing over, because this event is one of the main contributors to genetic diversity among offspring during meiosis.
Meiosis is a type of cell division that results in four daughter cells with half the number of chromosomes as the parent cell. This process involves two divisions - meiosis I and meiosis II - and includes several unique events that contribute to genetic diversity.
Crossing Over:
One of the main events that occurs during meiosis is crossing over, which happens during prophase I of meiosis I. During this stage, homologous chromosomes pair up and exchange sections of genetic material, resulting in new combinations of genes. This process helps to increase genetic diversity among offspring because it creates novel combinations of alleles that were not present in either parent.
Synapsis:
Synapsis is another important event that occurs during meiosis I. This is the process by which homologous chromosomes come together and align themselves along their entire length. This pairing helps to ensure that each daughter cell receives one complete set of chromosomes.
Difference from Mitosis:
Compared to mitosis, which results in two identical daughter cells, meiosis results in four genetically diverse daughter cells. This is because of the unique events that occur during meiosis, including crossing over and synapsis, which help to generate new combinations of genes.
Conclusion:
Therefore, the correct answer is option A, crossing over, because this event is one of the main contributors to genetic diversity among offspring during meiosis.
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In meiosis, the daughter cells are not similar to the parent because ofa)Crossing overb)Synapsisc)Both 1 and 2 aboved)None of the aboveCorrect answer is 'A'. Can you explain this answer?
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