Meiosis Steps Flashcards
1
Q
- Interphase, meiosis begins with a single _ cell
A
Diploid
2
Q
Before division, DNA (chromatin) in nucleus duplicates, as does _
A
The centrosome
3
Q
- Prophase 1, chromosomes condense into pairs of chromatids, connected at a _
A
Midpoint
4
Q
- Prophase 1 adjacent chromatids from each homologous pair can _
A
Exchange sections of DNA during crossing over
5
Q
- Metaphase 1, _ continues
A
Crossing over
6
Q
- Metaphase 1 _ forms at either end of the cell
A
Spindle apparatus
7
Q
- Metaphase 1. _ line up at the center of cell
A
Chromosome pairs
8
Q
- Anaphase 1 spindle fibers pull one chromosome made up of _ from each pair to opposite ends of cell
A
2 chromatids
9
Q
- Telophase 1 a new cell membrane forms across _
A
Center of cell
10
Q
- Telophase 1, division of membrane creates two _
A
Haploid cells
11
Q
- prophase II both daughter cells can now undergo _
A
Second division to repeat steps
12
Q
- Prophase II, second division starts with _
A
Centrosomes moving apart
13
Q
- Prophase II half the _ are now found in each cell
A
Parent’s chromosomes
14
Q
- Metaphase II, spindle fibers connect to the _ that are lining up in middle of cell
A
Homologous chromosomes
15
Q
- Anaphase II, spindle fibers _ and chromatids separate to end of cell
A
Pull chromosome apart
