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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.
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How many spermatozoa or egg cells are produced from 10 spermatids?
Ten spermatozoa will be produced from ten spermatids. Egg cells are not formed from spermatids.
Is sporozoite diploid or haploid?
haploid
Is 2n haploid or diploid?
Haploid
What cells do meiosis form?
Gametes ie Egg cells (primary and secondary oocytes unless fertilisation occurs then an ovum/ova) and sperm cells (spermatids then spermacytes which eventually mature and diffentiate into spermatazoa). They are haploid ie have 23 half the number of correct chromosomes which is 46
What are the 5 steps of spermatogenesis?
spermatogonia ----> spermatocytes ------> spermatids -----> sperm
What are spermatids?
Any of the four haploid cells formed by meiosis in a make organism that develop into spermatozoa without further division .
What is the product of spermatogenesis?
The final products of spermetagenesis are 16 spermatids and end products of oogenesis are 1 ovum and 3 polar bodies.
The number of spermatids formed by one primary spermatocyte is?
4 spermatids
How many spermatozoa or egg cells are produced from 10 spermatids?
Ten spermatozoa will be produced from ten spermatids. Egg cells are not formed from spermatids.
How many spermatids are formed from one spermatocyte?
4 spermatids are formed from one primary spermatocyte.
Meiosis in the male mammals result in the formation of?
The primary spermatocyte is diploid(2n) and after first meiotic division it will produce 2 haploid(n) secondary spermatocyte and these in turn after second meiotic division will produce 2 more haploid secondary spermatocyte. Therefore by the end of Meiosis one will have 4 haploid secondary spermatocyte or spermatids.
Where do spermatids migrate to mature?
epididymis
One spermatogonia will produce how many spermatids?
4
How are cells at the end of meiosis different from the cell at the beginning of meiosis?
1. primary spermatocyte (dipolotid (46)) ------1st meiotic division------ produce: 2 secondary spermatocytes (haploid (23)) ------2nd meiotic division-------- Producing four spermatids (haploid (23)) so the difference is that in the begnning u have a dipoloid cell with 46 chromosomes, and in the end u wil have a haploid cell with 23 chromosomes that in the case are ready to meet the egg, and produce a zygote (diplotid, with 46 chromosomes) that wil develop to be a child.
Describe the functions of the gonads?
Gonads are testes and ovaries. Testes produce spermatozoa by spermatogenesis and ovaries produce ova by oogenesis. Spermatozoa are produced via mitosis, producing diploid primary spermatocytes, then meiosis I which produces haploid secondary spermatocytes, which are converted to spermatids by meiosis II. Spermatids become spermatozoa. For the inchoate ovum, a diploid primary oocyte forms, followed meiotically by a haploid secondary oocyte. Ovulation occurs and the secondary oocyte only becomes a true ovum after syngamy. During the process, primary polar bodies become secondary polar bodies and are all rejected. Info from Raven, Johnson, Losos, Mason, Singer. Biology 8th Edition. (2008). McGraw Hill.
Are formed at the end of meiosis?
At the end of Meiosis II, Spermatids are formed
Is an ovum an diploid gamete or haploid gamete?
A gamete is haploid
