Question

please help to fill this​

Answer 1

Answer:

1. Karyokinesis

2. metaphase

3. telophase

Answer 2

Answer:

Karyokinesis, Metaphase and Telophase [For filling them in box refer to the attachment].

Explanation:

Mitosis phase or M phase includes two portion :

1. karyokinesis :

• The division of cell nucleus is karyokinesis.
• This is divided in four stages.

2. Cytokinesis :

• Division of cytoplasm is cytokinesis.
• This stage is last stage of mitosis.

Then Karyokinesis involves four stages :

1. Prophase :

• This is first stage of karyokinesis.
• The nucleolus and the nuclear envelope disappear and the chromosomes are in the form of thread like chromatin.
• The chromosomes appear condensed to late phase stage.
• Body's like Endoplasmic reticulum and Golgi body disappear.

2. Metaphase :

• Spindle fibre attached at kinetochore of sister chromatids.
• Chromosomes or sister chromatids attached with centromere at Equatorial plate

3. Anaphase :

• Centromere splits and move towards opposite poles and two sister chromatids of each chromosomes seperate.
• Seperate chromatids appear like v, J, L shape.

4. Telophase :

• This is last stage of karyokinesis.
• Chromosomes again appear in the form of chromatin fibres.
• Nucleolus and nuclear envelope reappear and two daughter nuclei is formed.