Meiosis in Action
Name the phase when...
Misc. Vocab
100
What phase is this?
Anaphase 1
100
... homologous chromosome pairs separate
Anaphase 1
100
Define haploid
1 set of chromosomes (n)
200
What phase is this?
Telophase 2
200
... tetrads align at the metaphase plate
Metaphase 1
200
Define chiasmata
X shaped regions where crossing over has occured
300
What phase is this?
Metaphase 1
300
...sister chromatids separate
Anaphase 2; this is when cohesin between sister chromatids inactivates
300
Define tetrad
a group of 4 chromatids; it is the result of synapsis
400
What phase is this?
Prophase 2
400
...crossing over occurs
Prophase 1
400
Define synapsis
The process where homologous chromosomes pair up/align
500
What phase is this?
Anaphase 2
500
...synapsis occurs
Prophase 1
500
Define crossing over
When non-sister chromatids exchange DNA segments by overlapping each other
