Cell division and fertilization

The series of events that cells go through as they grow and divide.

• mitosis

• meiosis

• cell cycle

Mitosis is the division of the _____ and cytokinesis is the division of the ______.

• nucleus, cytoplasm

• cytoplasm, nucleus

• nucleus, organelles

Why is DNA copied before cell division?

• to make mitosis go faster

• so each daughter cell has a complete set of DNA

• no one knows

Cancer is a disease that occurs when

• the cell cycle is no longer regulated

• mitosis does not occur

• cytokineses occurs improperly

Which statement about homologous chromosomes is true?

• They are the same size and shape.

• They contain the same genes.

• All of the above are true.

How many chromosomes are in a normal human body cell?

• 23

• 46

• 32

Human gametes are ______ sex cells and have ____ chromosomes.

• sex, 23

• body, 23

• sex, 46

• bocy, 46

What type of cell division reduces the number of chromosomes in a cell by half?

• mitosis

• cytokinesis

• meiosis

Fertilization in humans produces a

• gamete

• zygote

Meiosis begins with one cell and ends with ___ _______ cells.

• 2 diploid

• 2 haploid

• 4 diploid

• 4 haploid