The phase of the cell cycle that occupies

The phase of the cell cycle that occupies most of a cells life interphase

What occurs after cytokinesis is completed? • G 1

What is correct sequence of cell cycle • G 1, s, g 2, mitosis, cytokinesis

Cells that are not dividing remain in the • g 1

What occurs in s phase • Dna replication

The first 3 phases of the cell cycle are known as • interphase

Mitosis is the process by which • Nucleus divides

Mitosis forms cells that are • Diploid • identical

Normal cells become cancer cells when • Cells do not respond to checkpoints

How many chromosomes are in the body cells of an organism that has a haploid number of 10 • 20

Somatic cells are • Body cells • diploid

Gametes are • Sex cells • haploid

Crossing over occurs during • Meiosis • Prophase 1

What provides new genetic combinations? • Random fertilization • Random alignment • Crossing over

DNA is in the form of _____ when the cell is not dividing • chromatin

Harmful cancer • malignant

Checkpoints are checking for: • Is cell big enough • Are spindle fibers attached to chromosomes correctly • Is DNA copied correctly

Harmless cancers • benign

During what phase does the cell prepare for division • G 2

The failure of the chromosomes to separate during division is called: • Nondisjunction

Signs of Cancer? • Caution • ABCD

What phase of mitosis do chromosomes become visible • prophase

What is the correct sequence of events in Mitosis • PMAT

How many pairs of chromosomes are present in body cells? • 23

Differentiate between mitosis and meiosis • • • Crossing over Two divisions Haploid 4 cells Produces gametes (sperm/egg)

Growth of new blood vessels to support tumors is called _____. • angiogenesis

What is trisomy 21? • Down Syndrome

What is monosomy X? • Turners Syndrome

What is XXY • Klinefelter syndrome