CELL DIVISION

Answer each question by clicking the correct blue button. Only the first answer selected is graded.

1.  In what phase of the cell cycle are cells nondividing and can be cloned?
A. S phase.
B. G1 phase.
C. G2 phase.
D. G0 phase.

2.  In mitosis, the daughter cells have:
A. the same number of chromosomes as the parent cell.
B. half the number of chromosomes as the parent cell.
C. no nucleus.
D. doubled the number of chromosomes as the parent cell.

3.  Humans have 46 chromosomes; how many chromosomes do their gametes have?
A. Each has 46 chromosomes.
B. Each has 23 chromosomes.
C. Each has 92 chromosomes.
D. None of the above.

4.  The process in which an organism's cell is reduced from being diploid to haploid is called:
A. mitosis.
B. cytokinesis.
C. gametes.
D. meiosis.

5.  The longest phase of the cell cycle is:
A. metaphase.
B. telophase.
C. interphase.
D. anaphase.

6.  What is the correct sequence of mitosis?
A. Interphase,prophase, metaphase, anaphase, telophase.
B. Telophase, prophase, anaphase, metaphase, interphase.
C. Anaphase, metaphase, prophase, telophase, interphase.
D. Metaphase, prophase, interphase, anaphase, telophase.

7.  Organisms grow by …..
A. making larger cells.
B. producing more cells.
C. reducing their number of cells.
D. keeping the number of cells constant.

8.  If an organism has a total number of 62 chromosomes, how many chromosomes would their gametes have?

A. Egg 22, sperm 40 chromosomes.
B. Egg 60, sperm 2 chromosomes.
C. Egg 31, sperm 31 chromosomes.
D. Egg 42, sperm 20 chromosomes.


Grade exam.