Question

correctly match the phases of meiosis with the descriptions of the phase.
interphase prophase i metaphase i anaphase i telophase i cytokinesis
images of cell stages
prophase ii metaphase ii anaphase ii telophase ii cytokinesis
images of cell stages
a. the nuclear membranes form again. the result is 4 haploid cells with a combination of chromosomes from both mother and father.
b. the sister chromatids are separated and move to the opposite sides of the cell.
c. the chromosomes line up along the middle of the cell a second time.
d. the nuclear membrane breaks down and the cells prepare to divide.
e. the separation of the two cells.
f. the nuclear membrane forms again and each cell contains only one of each pair of chromosomes.
g. the paired homologous chromosomes separate. sister chromatids remain attached.
h. the chromosomes line up along the middle of the cell.
i. the nuclear membrane breaks down. the duplicated chromosomes condense and homologous chromosomes begin to pair up. there are two pairs of duplicated homologous chromosomes.
j. the four cells are completely separated.

Explanation:

To solve this, we analyze each phase of meiosis and match with the description:

• Interphase: Not directly described here, but other phases:
• Prophase I: I - Nuclear membrane breaks down, chromosomes condense, homologs pair (two pairs of duplicated homologs).
• Metaphase I: H - Chromosomes line up along the middle (metaphase plate) of the cell.
• Anaphase I: G - Paired homologous chromosomes separate, sister chromatids attached.
• Telophase I: F - Nuclear membrane forms, each cell has one of each pair (haploid for chromosome number, but still duplicated).
• Cytokinesis (after Telophase I): E - Separation of two cells.
• Prophase II: D - Nuclear membrane breaks down, cells prepare to divide (meiosis II starts).
• Metaphase II: C - Chromosomes line up along the middle a second time (metaphase II plate).
• Anaphase II: B - Sister chromatids separate and move to opposite sides.
• Telophase II: A - Nuclear membranes form again, 4 haploid cells with mixed chromosomes.
• Cytokinesis (after Telophase II): J - Four cells completely separated.

Let's match each option:

A: Telophase II (nuclear membranes form, 4 haploid cells with mixed chromosomes)
B: Anaphase II (sister chromatids separate)
C: Metaphase II (chromosomes line up middle second time)
D: Prophase II (nuclear membrane breaks down, prepare to divide)
E: Cytokinesis (after Telophase I) (separation of two cells)
F: Telophase I (nuclear membrane forms, each cell has one of each pair)
G: Anaphase I (homologous chromosomes separate, sister chromatids attached)
H: Metaphase I (chromosomes line up middle)
I: Prophase I (nuclear membrane breaks down, homologs pair, two pairs of duplicated homologs)
J: Cytokinesis (after Telophase II) (four cells completely separated)

Answer:

• Interphase: (No direct match here, but other phases as below)
• Prophase I: I. The nuclear membrane breaks down. The duplicated chromosomes condense and homologous chromosomes begin to pair up. There are two pairs of duplicated homologous chromosomes.
• Metaphase I: H. The chromosomes line up along the middle of the cell.
• Anaphase I: G. The paired homologous chromosomes separate. Sister chromatids remain attached.
• Telophase I: F. The nuclear membrane forms again and each cell contains only one of each pair of chromosomes.
• Cytokinesis (after Telophase I): E. The separation of the two cells.
• Prophase II: D. The nuclear membrane breaks down and the cells prepare to divide.
• Metaphase II: C. The chromosomes line up along the middle of the cell a second time.
• Anaphase II: B. The sister chromatids are separated and move to the opposite sides of the cell.
• Telophase II: A. The nuclear membranes form again. The result is 4 haploid cells with a combination of chromosomes from both mother and father.
• Cytokinesis (after Telophase II): J. The four cells are completely separated.