Meiosis

The product of Meiosis is 2 haploid cells.

• True

• False

Asexual reproduction results in two organisms that ______.

• have completely different genetic sequences

• are nearly identical to each other

• are unrelated to each other

• have only half the DNA of the original organism

Crossing over results in chromosomes ________.

• that carries DNA from one parent only

• residing on one side of the cell only

• that produces male offspring

• that carries DNA from both parents

Which of the following does not occur during Prophase 1?

• Copies are made of each chromosome.

• The chromosomes condense.

• Homologous chromosomes pair up.

• The nucleus disappears.

• The nucleolus disappears.

In Anaphase 1, chromosomes in the homologous pair ______.

• move toward the same centriole

• have their centromeres split

• move towards different centrioles

How many chromosomes are in a human somatic (body) cell?

• 23

• 46

• 92

• 24

What event does not take place in meiosis II?

• The nucleus and nucleolus disappear.

• The chromosomes recondense.

• The chromosomes are copied.

• The centrioles reappear.

Sex cells are also called _________.

Extending from the centrioles are ________.

• spindles that form microtubules

• microtubules that form spindles

• actin and myosin that form muscle fibers

• muscle fibers that form actin and myosin

How many chromosomes are in a human gamete (sex cell)?

• 23

• 46

• 92

• 24