Mitosis and Meiosis Unit 3 Portfolio
Part 1 Mitosis (6 points)
Section 1 Match the name of the phase with the description. Phases include: Prophase, Metaphase, Anaphase, and
Telophase
Metaphase
2.Prophase
3.Telophase
4.Anaphase
The chromosomes line up across the center of the cell. Each chromosome attaches
to the spindle fibers by its centromere.
Chromosomes at each end begin to unwind (lose their rod-like appearance). This
occurs in 2 regions at the ends of the cell. A nuclear envelop forms around each
region of the chromosome
The chromatin in the nucleus condenses to form chromosomes. Structures called
spindle fibers from at the ends of cells. The nuclear envelope breaks down
The centromeres split. The two chromatids separate. One chromatid moves to one
end of the cell and the other to the opposite end of the cell. The cell becomes
stretched.
Section 2 Match the name of the phase with the picture. Phases include: Prophase, Metaphase, Anaphase, and
Telophase
1. __________Telophase_____________________
2. __________metaphase______________________
3. _________prophase_______________________
4. _anaphase________
Part 2 Meiosis (8 points)
Section 1: Match the name of the meiosis phase with the description. Phases include Prophase I, Prophase II,
Metaphase I, Metaphase II, Anaphase I, Anaphase II, Telophase I, and Telophase II.
1.Metaphase I
2.
3.Anaphase I
4.Metaphase II
5.
6.
7.
8.
The chromosome pairs line up in the center of the cell
The chromatids separate, forming single chromosomes and move toward
opposite ends of the cells.
The chromosome pairs separate and move to the opposite ends of the
cell
The chromosomes line up across the center of the cell
The nuclear envelope breaks down
Nuclear membranes form around each set of chromosomes. The cell
separates into two daughter cells. Each cell has half the original
number of chromosomes but each chromosome still has two
chromatids.
Nuclear envelops form around each set of chromatids. Each cell
separates into 2 daughter cells which results in four daughter cells
with half the number of chromosomes of the original parent.
Chromosomes of the parent cell pair up. (They can exchange genetic
material)
Section 2: Match the name of the meiosis phase with the picture. Phases include Prophase I, Prophase II,
Metaphase I, Metaphase II, Anaphase I, Anaphase II, Telophase I, and Telophase II.
Part 3 Analysis of Mitosis and Meisois (5 points)
1. Why is mitosis important?
2. Why is meiosis important?
3. Name one similarity of mitosis and meiosis?
4. Name one major difference between mitosis and meiosis?
5. How does meisois increase genetic variation?