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ovum is the product after the secondary oocyte fuses with sperm
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When does the secondary oocyte complete its second meiotic division to become a mature ovum?
At fertilization the secondary oocyte completes its second meiotic division
What structure expels the mature ovum?
The Graffian Follicle in the ovary expels the secondary oocyte (mature ovum) into the peritoneum, where it is picked up by the fimbrae of the Fallopian tubes.
During cytokinesis in a female what divides unequally?
The oocyte (immature ovum or egg). It produces a secondary oocyte (large, lots of cytoplasm) and a polar body (small, does not survive).
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.
What is another name for an immature egg cell?
gametes, sex cells, haploid cells. the process is meiosis.
When does the secondary oocyte complete its second meiotic division to become a mature ovum?
At fertilization the secondary oocyte completes its second meiotic division
The cell commonly called the egg or ovum is more correctly called?
a secondary oocyte.
What structure expels the mature ovum?
The Graffian Follicle in the ovary expels the secondary oocyte (mature ovum) into the peritoneum, where it is picked up by the fimbrae of the Fallopian tubes.
During cytokinesis in a female what divides unequally?
The oocyte (immature ovum or egg). It produces a secondary oocyte (large, lots of cytoplasm) and a polar body (small, does not survive).
What is period of ovum?
an ovum mature oocyte after meiosis division
What is the period of ovum?
an ovum mature oocyte after meiosis division
How many egg cells come form a female germ cell?
One primary oocyte divides by meiosis and produces one polar body and one secondary oocyte. The polar body goes on to produce two more polar bodies, and the secondary oocyte divides into one polar body and one ovum. Therefore, one cell is produced from one primary oocyte.
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.
What is another name for an immature egg cell?
gametes, sex cells, haploid cells. the process is meiosis.
Where does oogenesis occur in females?
Oogenesis is the name of the process by which female egg cells or oocytes develop to create an ovum, or egg cell. These cells go through a three step process; oogonium to a primary oocyte, secondary oocyte, and finally an ovum. The whole process occurs in the female ovaries.
What is oogenisis?
It is the formation of an ovum. The primary oocyte turns to an ovum undergoing meiosis.
What is A mature ovum in its sac sometimes called is it an oocyte or a primary follicle or a graafian follicle or an ovarian follicle?
graafian follicle
