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

interphase

What occurs after cytokinesis is completed?

• G1

What is correct sequence of cell cycle

• G1, s, g2, mitosis, cytokinesis

Cells that are not dividing remain in the

• g1

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

• G2

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

What two cells are found in the testicles?

• Leydig• Sertoli

Identify the 3 glands that associate with the male reproductive system?

• Bulbourethral (Cowpers)• Seminal vesicle• Prostate

What is the pathway that sperm travel through the male reproductive tract?

• Semineferous tubules• Epididymis• Vas deferens• urethra

Identify the 3 type of spongy tissue in the penis.

• Corporus cavernosus• Corporus spongiosum• Spongy urethra

3 layers of uterus

• Mucousa• Muscularis• serosa

Function of?

• Vagina • Ovary• Fallopian tube• uterus

Sperm leave the body at ___ feet per second.

• 200

Name of the head of the sperm?

• acrosome

Outer portion of ovary

• cortex

Leading cause of death from cancer in men

• prostate

Which hormone acts on spermatogenesi?

• FSH – follicle stimulating hormone

Identify 2 muscle associated with testis and scrotum

• Dartos• cremaster

Which cells in the testicles supports sperm development and secretes FSH

• sertoli

Which analogous structure?

• Vagina penis• Labia minora• Clitoris• Ovaries