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