Chapter 13

If the DNA content of a diploid cell in the G1 phase of the cell cycle is 2x, then the DNA content of the same cell at metaphase of meiosis I will be ________.

2x

If we continue to follow the cell lineage from question 4, then the DNA content of a single cell at metaphase of meiosis II will be ________.

x

Which of the following phrases defines the term genome?

the complete set of an organism's genes and other DNA sequences

Asexual reproduction occurs during which of the following processes?

mitosis

A human cell containing 22 autosomes and a Y chromosome is ________.

a sperm

Which of the following statements best describes homologous chromosomes?

They carry information for the same traits.

Which of the following statements correctly describes a karyotype?

It is an organized image of a cell's chromosomes.

Meiosis II is similar to mitosis in that ________.

sister chromatids separate during anaphase

Which of the following processes occurs in meiosis but not in mitosis?

synapsis of chromosomes

Which of the following processes occur during meiosis but not mitosis?

Diploid cells form haploid cells.

Crossing over of chromosomes normally takes place during which of the following processes?

meiosis I

During which of the following processes do homologous pairs of chromosomes align adjacent to one another at the metaphase plate of a cell?

metaphase I of meiosis

During which of the following phases of meiosis do homologous chromosomes separate?

anaphase I

During which of the following phases of meiosis do centromeres split and sister chromatids migrate to opposite poles of the cell?

anaphase II