9 - Genetic diversity and adaptation Flashcards
1
Q
Describe what happens in chromosomes in meiosis. (6)
A
- Chromosomes shorten/thicken/condense
- Chromosomes associate in homologous pairs
- Crossing over
- Join to spindle fibres
- At equator
- Joined at centromere
- Chromosomes move to oppposite poles
- Chromatids seperated in 2nd division