Chapter 4: Cell Reproduction

Most of the life of any cell is spent in a period of cell growth and development called 

• interphase
• metaphase
• prophase
• telophase

All of the following are true of animals and plant cells during mitosis EXCEPT

• only animals have spindle fibers
• only plants have rigid cell walls
• only plants form cell plates
• only animals have centrioles

All of the following are composed of body cells EXCEPT

• bone
• kidney
• liver
• sperm

Each human skin cell has _______ pairs of chromosomes. 

• 13
• 18
• 23
• 46

Human sex cells have _________ individual chromosomes.

• 13
• 23
• 33
• 46

In sexual reproduction, a new organism is produced when

• cells divide by mitosis
• sex cells combine
• an organism divides into two equal parts
• a new organism grows from the body of its parent

By __________, a new organism can grow from just a part of the parent organism.

• fission
• meiosis
• regeneration
• sexual union

In _________, a new organism grows from the body of the parent organism.

• budding
• fission
• regeneration
• sexual union

The number of chromosomes in a sex cell of an organism is its _________ chromosome number.

• one
• haploid
• RNA
• zygote

Meiosis consists of _______ division(s) of the nucleus.

• one
• two
• three
• four