Cell Division, Cell Diversity & Cellular Organisation Flashcards
1
Q
Ways variation is introduced in sexual reproduction
A
- random fertilisation
-crossing over in prophase 1 casques non-sister chromatids to swap alleles (recombinant DNA formed)
-INDEPENDEDNT ASSORTMENT IN METAPHASE 1 AND 2
2
Q
Uses of mitosis
A
growth and repair of tissue
asexual reproduction
body plans
clonal expansion
producing gametes from haploid cells
production of new stem cells
3
Q
energy is….
A
released never produced
4
Q
diploid definition
A
2 copies of every chromosome
5
Q
haploid definition
A
1 copy of every chromosome
6
Q
Which stage of the mitotic cell cycle is after mitosis and involves a cell dividing into two cells?
A
cytokinesis