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How many steps are there in meiosis?
Ten steps are involved in the process of meiosis:InterphaseProphase IMetaphase IAnaphase ITelophase IInterphaseProphase IIMetaphase IIAnaphase IITelophase II
How many cell divisions are in meiosis?
Meiosis involves two rounds of cell division: meiosis I and meiosis II. Meiosis I is responsible for reducing the chromosome number from diploid to haploid, while meiosis II divides the resulting haploid cells to produce gametes with a single set of chromosomes.
How many cells would have been present when meiosis 2 was complete?
Meiosis is the process of replicating sex gametes. At the end of a typical meiosis phase II there are 4 cells.
Where in the body does meiosis occur in a female?
Meiosis in females occurs in the ovaries. The process of meiosis is responsible for the formation of eggs (ova) in females.
What are the major differences between mitisis and meiosis?
There are quite a few differences between mitosis and meiosis. Meiosis for example only happens in the sex cells of an organism.
Are microspores and megaspores produced by mitosis or meiosis?
Microspores and megaspores are produced by meiosis. In plants, microspores develop into male gametophytes (pollen), while megaspores develop into female gametophytes (embryo sacs). This process occurs in the reproductive structures of seed plants, where diploid sporophytes undergo meiosis to produce these haploid spores.
Are spermatids haploid?
Four megaspores are formed from meiotic division of megapore mother cell which is diploid. We know that diploid cells undergo meiosis to give haploid cells. So, it seems to me that megaspores are haploid.
Haploid reproductive cells are called?
The four cells formed as a result of meiosis are called daughter cells.
How many cells are produced in males and females in meiosis?
there are 1001 cell produced in male and females meiosis During meiosis one microspore mother cell in the male results in to four microspores after meiosis; so is the case with megaspore mother cell also in females but out of four megaspores only one is functional and the degerating three megaspores nourish the developing one.
Compare the male and female spores of a conifer?
The female spores of a conifer are called megaspores or macrospores. Megaspores develop into a female gametophyte, producing egg cells. Male spores of a conifer are called microspores and are formed from meiosis. Microspores develop into the male gametophyte, which produces sperm cells.
In which two structures of a flower of a higher plant do you find cells in the process of meiosis?
In higher plants, meiosis occurs in the anthers of the stamen and in the ovules of the ovary. In the anthers, diploid microsporocytes undergo meiosis to produce haploid pollen grains, while in the ovules, megasporocytes undergo meiosis to form haploid megaspores, which eventually develop into the female gametophyte.
How many chromosomes are there in a megaspore mother cell of a tobacco with a diploid number of 48?
A megaspore mother cell of tobacco with a diploid number of 48 chromosomes will have twice that number, so there would be 96 chromosomes. During meiosis, this number will be halved to produce haploid megaspores.
What cells divide by meiosis to produce male and female spores?
In plants, meiosis occurs in specialized cells called sporophytes, which are diploid. These sporophyte cells undergo meiosis to produce haploid spores—male spores (microspores) in the anthers and female spores (megaspores) in the ovules. In fungi, similar processes occur where specialized diploid cells, known as sporogenous cells, divide by meiosis to produce spores.
During sexual reproduction in a flowering plant four megaspores are produced and how many of them die?
three
What happens to a megaspore mother cell and a microspore mother cells as an immediate result of meiosis?
The megaspore mother cell undergoes meiosis to produce four haploid megaspores, while the microspore mother cell undergoes meiosis to produce four haploid microspores. This division results in the formation of haploid spores that will develop into gametophytes in plants.
Will megaspores divide to form the female gametophyte or the sporophyte?
It will divide to form the female gametophyte.
How many megaspores die if only four are produced?
If only four megaspores are produced, then three out of the four will typically die. This is because usually only one megaspore develops into a functional female gametophyte, while the others degenerate.
