12. Meiosis

Meiosis I

Multiple Choice
A daughter cell is created by meiosis I and the first round of cytokinesis. This daughter cell is just beginning meiosis II. Which of the following is an appropriate description of this daughter cell's genetic contents?
a) It has half the amount of DNA as the parent cell.
b) It has half the chromosomes but twice the DNA of the parent cell.
c) It has one-fourth the DNA and one-half the chromosomes as the parent cell.
d) It is genetically identical to the parent cell.
Multiple Choice
Which diagram represents anaphase I of meiosis?
a) I
b) II
c) III
d) IV
e) V
f) VI
Multiple Choice
Which of the following occurs during anaphase I?
Multiple Choice
Which event occurs only during prophase I of the first meiotic division?
Multiple Choice
At the end of telophase I of meiosis and the first cytokinesis, there are __________.
Multiple Choice
Synapsis occurs during __________.
Multiple Choice
The synaptonemal complex __________.
Open Question
The two homologs of a pair move toward opposite poles of dividing cell duringa. mitosis.b. meiosis I.c. meiosis II.d. fertilization.
Open Question
If the DNA content of a diploid cell in the G1 phase of the cell cycle is x, then the DNA content of the same cell at metaphase of meiosis I will bea. 0.25x.b. 0.5x.c. x.d. 2x.
Open Question
DRAW IT The diagram shows a cell in meiosis.
c. Identify the stage of meiosis shown.
Open Question
DRAW IT The diagram shows a cell in meiosis. b. Describe the makeup of a haploid set and a diploid set.
Open Question
DRAW IT The diagram shows a cell in meiosis. a. Label the appropriate structures with these terms: chromosome (label as duplicated or unduplicated), centromere, kinetochore, sister chromatids, nonsister chromatids, homologous pair (use a bracket when labeling), homolog (label each one), chiasma, sister chromatid cohesion, and gene loci, labeling the alleles of the F and H genes.
Open Question
After telophase I of meiosis, each daughter cell is .a. diploid, and the chromosomes are composed of one double-stranded DNA molecule;b. diploid, and the chromosomes are composed of two sister chromatids;c. haploid, and the chromosomes are composed of one double-stranded DNA molecule;d. haploid, and the chromosomes are composed of two sister chromatids