Meiosis
Physics
Physics
Maxine laurier · 42問 · 2年前Physics
Physics
42問 • 2年前formulas/definition
formulas/definition
Maxine laurier · 32問 · 1年前formulas/definition
formulas/definition
32問 • 1年前cell cycle / cell division
cell cycle / cell division
Maxine laurier · 21問 · 1年前cell cycle / cell division
cell cycle / cell division
21問 • 1年前問題一覧
1
It is a cell division where a single cell devides twice and produce four(4) daughter cells with half the amount of genetic material (sex cells).
Meiosis
2
How many the sematic cells? Or the body cell?
46
3
How many sex cells in reproductive cells?
23
4
What are the two division of meiosis?
Meiosis I & Meiosis II
5
What are the types of stage in meiosis I?
1. Prophase I 2. Metaphase I 3. Anaphase I 4. Telophase I or Cytokinesis
6
- It is condensed the chromosomes, and nuclear envelope breakdown.
- Crossing over occurs.
Prophase I
7
- Pairs of homologous chromosomes move to the equator of the cell.
Metaphase I
8
homologous chromosomes move to the opposite poles of the cell.
Anaphase I
9
- Chromosomes gather at the poles of the cells.
- The cytoplasm devides
Telophase I or Cytokinesis
10
- Chromosomes align in pair of the centre of the cell.
- It is a random statement occurs, means—chromosomes pairs line up randomly.
Metaphase I
11
- Each cell contains HALF the number of chromosomes (HAPLOID)
Anaphase I
12
- The two new nuclei form around each of set of chromosomes.
- cytoplasm split and the two (Haploid) daughter cells formed.
Telophase I or Cytokinesis
13
What are the stages of Meiosis II?
1. Prophase II 2. Metaphase II 3. Anaphase II 4. Telophase II
14
- The chromosomes condensed and the nucleolus breaks in both sides.
- Allow four (4) haploid sex cells (sperm & egg cells) to be created.
Prophase II
15
- The chromosomes align single file in the centre of the cell.
- occurs to ensure sister chromatids seperate in the next stage.
Metaphase II
16
- sistsers chromatids seperate and move to the opposite ends of the cell.
- ensures the daughter cells remain HAPLOID, means they have half the genetic material of the original parent cell.
Anaphase II
17
- Four (4) new nuclei form around each set of chromosomes.
- cytoplasm splits and four (haploid) daughters cell formed.
telophase II