Chromosomes and Cell Cycle

In humans, how many pairs of chromosomes are there?

• 46

• 23

• 28

• 24

This is the stage of the cell cycle that the cell spends most of its time in.

• Cytokinesis

• Mitosis

• Interphase

Fruit fly body cell has 8 chromosomes. After mitosis, each daughter cell will have

• 16 chromosomes.
• 46 chromosomes.
• 8 chromosomes.
• 4 chromosomes.

Which order of mitosis stages is correct?

• prophase, metaphase, telophase, anaphase
• prophase, anaphase, metaphase, telophase
• prophase, metaphase, anaphase, telophase
• prophase, telophase, metaphase, anaphase

The point on the chromosome where the two chromatids are held together is the

• centromere
• centriole
• chromosome
• chromatid

Another name for a sex cell is a:

• gamete

• body cell

• bone cell

• muscle cell

Sexual reproduction requires _____ parents and asexual reproduction requires _____ parents.

• 1,1

• 2,2

• 2,1

• 1,2

What is an advantage of sexual reproduction?

• Allows genetic variation
• Only needs one parent
• Happens very quickly
• Offspring are exact copies of parent

In asexual reproduction, all of the offspring are:

• a 50/50 blend of each parent

• genetically identical

• unique

• take longer to create

What is one advantage of asexual reproduction?

• offspring are different from parents

• diseases are not passed from parent to offspring

• it takes a longer time

• it takes less time