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When a primary oocyte divides a secondary oocyte and what are produced?
A primary oocyte divides into a secondary oocyte and a polar body during meiosis I. The secondary oocyte undergoes meiosis II to produce a mature ovum (egg) and another polar body.
When the primary oocyte divides a secondary oocyte and what else is produced?
The primary oocyte divides into a secondary oocyte and a polar body during meiosis I. The secondary oocyte then goes through meiosis II to produce a mature ovum (egg) and another polar body.
Is It the secondary oocyte and not the egg that the sperm fertilizes?
Yes, it is the secondary oocyte that the sperm fertilizes. The secondary oocyte completes meiosis II to become a mature egg only after fertilization.
How many functional ova are produced at the end of one complete cycle of meiosis?
In females, one functional ovum is produced at the end of one complete cycle of meiosis. Meiosis I produces a secondary oocyte, and meiosis II forms a mature ovum (egg cell) after fertilization.
What is a haploid female sex cell produced by meiosis called?
Oocyte
When will a secondary oocyte complete meiosis II?
A secondary oocyte will complete meiosis II after fertilization by a sperm cell.
In what phase of meiosis is a secondary oocyte arrested?
A secondary oocyte is arrested in the metaphase II phase of meiosis.
When a primary oocyte divides a secondary oocyte and what are produced?
A primary oocyte divides into a secondary oocyte and a polar body during meiosis I. The secondary oocyte undergoes meiosis II to produce a mature ovum (egg) and another polar body.
Does meiosis in females only complete if oocyte is fertilized?
No, meiosis in females completes when the oocyte is ovulated, regardless of whether fertilization occurs. If fertilization occurs, the second stage of meiosis is completed by the fusion of the oocyte with a sperm cell. If fertilization does not occur, the oocyte degenerates and is eventually expelled from the body during menstruation.
When the primary oocyte divides a secondary oocyte and what else is produced?
The primary oocyte divides into a secondary oocyte and a polar body during meiosis I. The secondary oocyte then goes through meiosis II to produce a mature ovum (egg) and another polar body.
Is It the secondary oocyte and not the egg that the sperm fertilizes?
Yes, it is the secondary oocyte that the sperm fertilizes. The secondary oocyte completes meiosis II to become a mature egg only after fertilization.
What is the function of the secondary oocyte?
The secondary oocyte is a key stage in the female reproductive process, specifically in oogenesis. It is formed after the primary oocyte undergoes meiosis I, and it contains the majority of the cytoplasm. The secondary oocyte is released during ovulation and, if fertilized by a sperm cell, it will complete meiosis II to become a mature ovum. Its primary function is to provide the necessary genetic material and cellular resources for successful fertilization and early embryonic development.
How many functional ova are produced at the end of one complete cycle of meiosis?
In females, one functional ovum is produced at the end of one complete cycle of meiosis. Meiosis I produces a secondary oocyte, and meiosis II forms a mature ovum (egg cell) after fertilization.
Difference between primary and secondary oocyte?
Any oogonia that has arrested itself in meiosis I prophase-dipotene on the onset of OMI (oocye maturation inhibition) hormone in the 3rd month of pregnancy and there after is a primary oocyte. On the urge of Leutinizing hormone which induces the pre-ovulatory phase, the primary oocyte completes meiosis I and arrests itself in meiosis II metaphase, which would only be completed if fertilization occurs, otherwise it will degenrate in 24 hours. On the completion of meiosis I, a SECONDARY oocyte and forst polar body is going to be formed.
In which stage is a primary oocyte arrested?
A primary oocyte is arrested in the prophase stage of meiosis I.
What is the difference between ovum and secondary oocyte?
ovum is the product after the secondary oocyte fuses with sperm
Compare and contrast Primary oocyte and secondary oocyte?
Primary oocytes are diploid cells that have undergone DNA replication but are arrested in prophase I of meiosis, whereas secondary oocytes are haploid cells resulting from the division of primary oocyte after completing meiosis I. Secondary oocytes are arrested in metaphase II and are released during ovulation, while primary oocytes are present in the ovaries prior to puberty.
