Unit 3 Meiosis Flashcards
1
Q
Meiosis purpose
A
REPRODUCTION
to produce sperm and egg cells (gametes). These cells can be fertilized to reproduce.
2
Q
Mitosis vs. Meiosis +end result
A
- Meiosis has 2 cell divisions while mitosis only has one division.
- Meiosis creates four nonidentical daughter cells with 23 chromosomes and mitosis creates 2 identical daughter cells with 46 chromosomes.
- Mitosis no crossover, meiosis yes crossover
- mitosis single file metaphase, meiosis homologous pair metaphase
3
Q
(T/F) : The daughter cells produced by meiosis are genetically different from each other, whereas the daughter cells produced by mitosis are not.
A
TRUE
4
Q
Undertsand (47, XY, +13)
A
yes
5
Q
(mitosis) A cell with a defective TUMOR-SUPPRESSOR gene is likely to
A
divide more often than regular
6
Q
(mitosis) protooncogenes
A
encourage cell divison
7
Q
(mitosis) timor-suppressor gene
A
acts as break to cell divison
