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What are the sizes of oocytes in a dormant follicle?
Oocytes in dormant follicles are primary oocytes arrested at prophase I of meiosis. They are typically around 20-30 micrometers in diameter.
During oogenesis an oogonium gives rise to?
During oogenesis, an oogonium gives rise to primary oocytes. These primary oocytes then undergo meiosis to become secondary oocytes.
In what phase are oocytes arrested during their development?
Oocytes are arrested in the prophase stage of meiosis I during their development.
What are female gametes?
Oocytes
The female gamete?
ovum(secondary oocytes)
The sex cells of females are called?
oocytes
How do eggs develope in the overies?
Eggs develop in the ovaries through a process called oogenesis. It begins with the division of stem cells in the ovary, which develop into primary oocytes. These primary oocytes then undergo meiosis to produce secondary oocytes, which are eventually released during ovulation.
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.
What immature cells are eggs produced from?
Eggs, or ova, are produced from immature cells called oocytes. Oocytes are formed in the ovaries through the process of oogenesis. Once an oocyte matures, it becomes an egg capable of being fertilized by sperm.
What is Xenopus laevis oocytes?
it is a type of frog/toad
What would happen if all oocytes were destroyed?
Eggs will not form
How many secondary oocytes are formed form 20 oogonia?
Each oogonium undergoes mitosis to produce primary oocytes, which then enter meiosis. During meiosis, each primary oocyte completes the first meiotic division to form one secondary oocyte and one polar body. However, only the secondary oocyte is viable. Therefore, from 20 oogonia, 20 primary oocytes are formed, leading to the production of 20 secondary oocytes.
