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What is produced from diploid germ cells by meiosis?
4 Haploid gametes. In Meiosis, germ cells first undergo a mitosis like division which produces 2 diploid germ cells. After that division, they undergo a second division in Meiosis 2, without first replicating their chromosomes. The end result is 4 haploid gametes.
How does second meiotic division different from meiotic division?
The second meiotic division, or meiosis II, differs from the first meiotic division (meiosis I) primarily in that it resembles a typical mitotic division. In meiosis I, homologous chromosomes are separated, reducing the chromosome number by half and leading to the formation of two haploid cells. In contrast, meiosis II involves the separation of sister chromatids in each of the haploid cells produced during meiosis I, resulting in a total of four haploid daughter cells, each with a single set of chromosomes. Additionally, meiosis I includes genetic recombination, while meiosis II does not.
How many cells result after two nuclear divisions in meiosis?
Meiosis involves two rounds of cell division. After the first division, two cells are produced. After the second division, these two cells each divide again, resulting in a total of four cells.
The first haploid cell in the life cycle of a plant is the?
The first haploid cell in the life cycle of a plant is the spore, which is produced by meiosis in the sporophyte generation. Spores germinate to form haploid gametophytes, which produce gametes through mitosis for fertilization.
Why are germ cells diploid prior to their first meiotic division?
Germ cells go through DNA replication during interphase before their first meiotic division. This results in them being diploid, with two sets of chromosomes, in order to ensure genetic diversity in the resulting haploid daughter cells produced after meiosis.
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.
What are they at the beginning of meiosis II?
At the beginning of meiosis II, the cells are already haploid following the first division (meiosis I). The chromatids have not yet duplicated, and the chromosomes are already in a condensed form.
Are gametes haploid offspring haploid or diploid?
Gametes are haploid cells produced by the process of meiosis. They unite during fertilization to form a diploid zygote, which divides to form the embryo, and is the first cell of the new offspring of the organisms that produced the gametes. For example, human females produce ova, the female gametes, and human males produce sperm cells, the male gametes. During fertilization, one ovum and one sperm cell unite to form a zygote which divides by mitotic cell division, forming the embryo. The baby that is produced is not considered an offspring of the gametes, but an offspring of the mother and father that produced it.
How many haploid cells are made during meiosis?
There are four haploid cells because your supposed to have 48 chromosomes but the first cell has 4 times as much so it needs to divide 4 times.Hope this helps.
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 first thing produced in meiosis?
The first thing produced in meiosis is a cell with half the number of chromosomes as the original cell, known as a haploid cell. This cell is formed during meiosis I, which involves the separation of homologous chromosomes.
Kind of trait that always appeared in the offspring produced in mendels first experiment?
Division.
