Question

Write about Kern-plasm theory​

Answer 1

Answer:

Kern plasma theory was proposed by Hertwig in 1903. According to this theory, the mitosis occurs due to the disturbance in the karyoplasm index of the cell. That is why, they divide into two cells to attain control of nucleus on metabolism.

Explanation:

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Answer 2

HERE IS UR ANSWER DEAR,

KERN-PLASM THEORY:

Kern plasm theory was proposed by Hertwig.

•This theory states that mitosis occurs due to disturbance in Karyoplasmic Index (KI) of cell.

Karyoplasmic Index:

KI = Vn /(Vc - Vn )

Where;

•Vn= Volume of nucleus

•Vc= Volume of cell

•Vc - Vn = Volume of cytoplasm

•Karyoplasmic Index of a cell small in size having less cytoplasm is high.

•In small sized cell nucleus efficiently controls the activity of cytoplasm while as in a large cell nucleus is not able to control the activity of cytoplasm.

•To gain control of nucleus on metabolism a large cell divides into two cells.