Meiosis part 3 Flashcards
1
Q
when does corossing over occur
A
- prophase I
2
Q
crossing over
A
- homologous pairs of chromosomes come together and pair up
- chromatids twist around each other and bits of chromatids swap over
- chromatids still contain the same genes but have differnet combination of alleles
3
Q
independant assoeermwnr
A
- each homologous pairs of chromosomes in your cells is made up of one maternal chromosome and one paternal chromosome
- when homolgous pairs line up in metaphase I and are separated in anaphase I it is random which chromosome from each pairs ends up in which daughts celss
- 4 daughter cells have different combinations