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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.
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.
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.
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 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.
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.
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.
How do you identify the meiotic division that occurs in the Lilium anther?
In Lilium anthers, meiotic division can be identified by observing the formation of tetrads of microspores within the anther locules. These tetrads are the result of meiosis, where each microspore undergoes a reduction division to produce haploid cells. By examining the anther tissue under a microscope, the stages of meiotic division can be visualized.
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.
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.
Is the genetic information in daughter cells unique or indetical?
The daughter cells that result from mitotic cell division are genetically identical. The daughter cells that result from meiotic cell division are genetically unique.
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
