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Could crossing over occur during second meiotic division?
No, crossing over occurs during the first meiotic division when homologous chromosomes exchange genetic material. In the second meiotic division, the chromatids of each chromosome separate, resulting in the formation of haploid daughter cells.
What feature of the chromosome complement is reduced int the first meiotic division and kept equal in the second?
The chromosome number is reduced by half in the first meiotic division, going from diploid to haploid, while the chromosome arms remain the same. In the second meiotic division, the chromosome number remains the same, but the sister chromatids are separated resulting in haploid daughter cells.
Could crossing over occur during the second meiotic division?
No, crossing over occurs during prophase I of meiosis when homologous chromosomes exchange genetic material. The second meiotic division involves separating sister chromatids, so crossing over does not occur.
What cell division produces cells?
Meiosis
The second meiotic division is essentially a mitotic division except for the fact that the cells produced are?
Haploid instead of diploid. This means they have half the number of chromosomes compared to the original cell.
When does the secondary oocyte complete its second meiotic division to become a mature ovum?
The secondary oocyte completes its second meiotic division upon fertilization by a sperm cell. This leads to the formation of a mature ovum and a polar body.
Could crossing over occur during second meiotic division?
No, crossing over occurs during the first meiotic division when homologous chromosomes exchange genetic material. In the second meiotic division, the chromatids of each chromosome separate, resulting in the formation of haploid daughter cells.
What feature of the chromosome complement is reduced int the first meiotic division and kept equal in the second?
The chromosome number is reduced by half in the first meiotic division, going from diploid to haploid, while the chromosome arms remain the same. In the second meiotic division, the chromosome number remains the same, but the sister chromatids are separated resulting in haploid daughter cells.
Cells that undergo mitotic division but not meiotic division are called?
Somatic cells undergo mitotic division but not meiotic division. Meiotic division is only seen in germ cells to produce gametes.
Is disploid the second stage of meiotic division?
No, "disploid" refers to a state where an organism has two sets of chromosomes. Meiotic division is a process that produces gametes with half the number of chromosomes, known as haploid cells. So, disploid is not the second stage of meiotic division.
What is the result of the second meiotic division?
Meiosis II results in four haploid (N) daughter cells.
Could crossing over occur during the second meiotic division?
No, crossing over occurs during prophase I of meiosis when homologous chromosomes exchange genetic material. The second meiotic division involves separating sister chromatids, so crossing over does not occur.
Meiotic cell division occurs in a special organ known as?
Meiotic cell division occurs in the reproductive organs, such as the ovaries in females and the testes in males.
When chromosomes fail to separate at either the first or second meiotic division this is known as?
When chromosomes fail to separate at either the first or second meiotic division, this is known as nondisjunction. Nondisjunction can lead to the formation of gametes with abnormal chromosome numbers, which can result in genetic disorders like Down syndrome.
Meiotic cell division in animals is directly responsible for the?
Meiotic cell division in animals is directly responsible for the producing sex cells.
What cell division produces cells?
Meiosis
What is it called when sex cells divide?
meiotic division
