mitosis

Question 1

mitosis

Answer 1

asexual reproduction

Question 2

what happens

Answer 2

ordinary cell makes new cell by dividing in 2. both new cells are genetically identical to original.

Question 3

asexual reproduction?

Answer 3

involves only 1 parent. offspring have identical genes to parent, nor variation between parent and offspring

Question 4

mitosis definition

Answer 4

cell reproduces itself by splitting to form 2 cells with identical sets of chromosomes

Question 5

diploid cell dividing

Answer 5

1. in cell that’s not dividing, DNA is spread out in long strings
2. if cell gets signal to divide, needs to duplicate DNA, so one copy for each cell. DNA forms X-shaped chromosomes.
3. chromosomes line up at centre of cell and cell fibres pull them apart. 2 arms go to opposite ends.
4. membranes form around each of sets of chromosomes, become nuclei of new cells.
5. cytoplasm divides
6. 2 new cells - genetically identical

Question 6

mitosis makes ?

Answer 6

new cells for growth and repair