Mitosis and Meiosis

Subdecks (2)

where does mitosis occur?
body cells + meristems (full amount of chromosomes)
where does meiosis occur? 
sex organs -> ovaries and testes (half no chromosomes)
how many times does division occur in mitosis?
once
how many times does division occur in meiosis?
twice
how many daughter cells are produced in mitosis?
2 genetically identical daughter cells with same amount of chromosomes as parent cell
how many daughter cells produced in meiosis?
4 genetically different daughter cells are produced with half no chromosomes than parent cell
what is mitosis used for? what is meiosis used for?
mitosis = growth + repair of damaged tissue
meiosis = sexual reproduction
uncontrolled what causes cancer?
uncontrolled mitosis
what have half the no chromosomes?
gametes
how is a fertilised egg formed?
when a sperm and egg cell join back together
how many chromosomes does a normal fertilised egg have?
46
what is the first body cell of a developing embryo?
a fertilised egg