Lec 12 Flashcards
1
Q
What happens during the m
Phase?
A
Two daughter cells produced by mitosis and cytokinesis
2
Q
3 periods of interphase
A
G1- new organelles form
Synthesis- cell duplicated it’s dna
G2- cell prepares for decision during m phase
3
Q
Mitotic apparatus
A
Mitotic spindle and chromosomes
Chromosomes in m phase have two chromatids joined by centromere
TWO KINETECORES ON CENTROMERE
4
Q
Mitotic spindle has 3 types of microtubules. What are they?
A
Polar kinetechore and astral
5
Q
Oogenesis.
A
Primordial germ cells
Oogina begin after meiosis 1, Prmary oocytes.
Mature and go into meiosis 2 A’s secondary oocytes.
SO Completes meiosis 2 after fertilisation
Second cell is producedcalled polar body and will degenerate