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Answer:
1.) Cytokinsis happens to cells after the mitosis process
2.) Mitosis results in 2 identical daughter cells, while Meiosis results in 4 sex cells.
3.) The two main types of cells are; Prokaryotic and Eukaryotic. Eukaryotic cells are found in the brain, heart, and muscles. Prokaryotic cells are usually found in bacteria inside the human body, resulting in diseases and infections.
Cell division occurs by mitosis and meiosis. Mitosis produces two diploid cells. Meiosis produces four haploid cells. The human body has diploid cells -somatic and germ cells- and haploid cells -gametes-.
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The human body , as other organisms that spend most of their life cycle in the diploid state, produce two types of cells: Diploid and Haploid cells.
- Diploid cells ⇒ Somatic and the Germ cells.
- Haploid cells ⇒ Gametes -eggs and sperm-.
Somatic diploid cells (2n) reproduce by the process of mitosis, becoming two daughter cells with the same genetic dotation.
Germ cells are diploid reproductive cells (2n) in charge of gamete production. They divide by mitosis and meiosis.
→ Through the process of mitosis, germ cells originate more sexual cells (2n).
→ Through the process of meiosis, they give place to four haploid cells with half of their genetic dotation (n) ⇒ gametes -sperm and egg cells- ⇒ gametogenesis.
Gametes´ destiny is to merge during fecundation, and a new diploid cell called zygote emerges through fertilization.
The zygote is a complete diploid cell and suffers successive mitosis to form the new organism.
Meiosis and mitosis are both processes of cell division.
• Meiosis produces four daughter haploid cells (n) from a diploid germ cell (2n). Each daughter cell is haploid because they have half the number of chromosomes of the original one.
• Mitosis produces two daughter diploid cells (2n) from a diploid somatic cell (2n). During mitosis, the whole cell first duplicates and then separates.
1.) Write a true statement about cells after they go through the process of mitosis.
Immediately after mitosis, the cell suffers cytokinesis, which is the division of the cytoplasm.
It occurs through invagination of the plasmatic membrane at both sides of the cell equatorial plane.
When the invaginating areas meet, the cell divides into two new cells.
The new cells begin a new cycle of division.
2.) How is meiosis different from mitosis?
- Mitosis produces two diploid cells identical to the original cell.
- Meiosis produces four haploid cells with half the genetic charge of the original cell. Each daughter cell has genetic variations due to crossing-over events.
3.) What are the two main types of cells and where are they found in the human body?
- Diploid cells ⇒ Somatic cells
⇒ Germ cells
- Haploid cells ⇒ Gametes
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