mitosis xx Flashcards
1
Q
how many chromosomes do humans have?
A
23 pairs (diploid)
2
Q
how many chromosomes do gametes have
A
just 23 (haploid)
3
Q
how and why are new diploid cells made?
A
made by mitosis, for growth and repair
4
Q
what’s stage 1 of mitosis?
A
genetic material duplicated (interphase), nucleus membrane dissolves (prophase)
5
Q
what’s stage 2 of mitosis?
A
the two sets of chromosomes line up in middle (metaphase) and are then pulled. to opposite sides of the cell (anaphase)
6
Q
whats stage 3 of mitosis?
A
mitochondria, ribosomes and other organelles and duplicated, and new membranes are formed around the two sets of chromosomes to make. two nuclei (telephone)
7
Q
whats stage 4 of mitosis?
A
the cell divides (cytokinesis), producing two genetically identical diploid cells
8
Q
A
