Mitosis and Meiosis Flashcards
What is mitosis used for?
Growth repair and replacement of cells
How does mitosis occur?
Through asexual reproduction
What is the first stage of mitosis?
DNA replicates
Creates 2 copies of chromosomes
What is the 2nd stage of Mitosis?
Mitosis takes place
One set of chromosomes pulled at each end of cell
Nucleus divides
What is stage 3 of mitosis?
Cytoplasm and cell membrane divide to from 2 identical daughter cells
What is meiosis used for?
Sexual reproduction
Where does mitosis take place?
Around the body
Where does meiosis take place?
Ovaries and testes
What are the 4 daughter cells in meiosis?
Genetically different
What is stage 1 of meiosis?
Chromosomes copied and cell divides twice
What is stage 2 of meiosis?
4 gametes are produced
What is stage 3 of meiosis?
Gametes are fertilised so cells have normal number of chromosomes
What is stage 4 of meiosis?
New cells divides by mitosis which clumps up all identical cells to form an embryo
What is stage 5 of meiosis?
Cell differentiation occurs
What happens to chromosome in meiosis?
Half