Question

short note on cell division..






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Answer 1

Answer:

CELL DIVISION

 The process by which new cells are made is called cell division.

 There are two main types of cell division: mitosis and meiosis.

Mitosis:

 The process of cell division by which most of the cells divide for growth is called mitosis.

 In this process, each cell called mother cell divides to form two identical daughter cells.

 The daughter cells have the same number of chromosomes as mother cell.

 It helps in growth and repair of tissues in organisms.

Meiosis:

 Specific cells of reproductive organs or tissues in animals and plants divide to form gametes, which after fertilisation give rise to offspring. They divide by a different process called meiosis which involves two consecutive divisions.

 When a cell divides by meiosis it produces four new cells instead of just two.