cell division Flashcards
mitosis
type of nuclear division that produces genetically identical cells
mitosis in growth
makes new cells
mitosis in repair + replacement
replaces damaged cells
mitosis in asexual reproduction
results in genetically identical offspring so mitosis occurs here
in mitosis _____ of chromosomes occurs
exact replication
process of mitosis
- each chromosome copies itself
- two copies separate so each cell has a copy of each chromosome
- each daughter cell has same chromosome no. as parent cell
stem cells
unspecialised cells that divide by mitosis to form specialised daughter cells
meiosis
reduction division in which the chromosome number is halved from diploid to haploid resulting in genetically different cells
meiosis is used to
produce gametes in reproductive organs
in meiosis chromosome no. is ____
halved
meiosis process
cell divides twice to form four daughter cells each with half the chromosome no.