27. The Reproductive System

Match the specific phase of meiosis with the correct description.

________Prophase I

________Metaphase I

________Anaphase I

________ Telophase I

________Prophase II

________Metaphase II

________Anaphase II

________ Telophase II

a. Homologous chromosomes arrive at opposite poles.

b. Homologous chromosomes line up.

c. Chromosomes line up at the equator.

d. Independent assortment occurs.

e. Separated sister chromatids arrive at opposite poles.

f. Sister chromatids remain condensed.

g. Crossing over occurs.

h. Sister chromatids pull apart.

Sustentacular cells in the testes are nicknamed 'nurse cells.' Explain why the nickname is appropriate.

Match the component of the glandular secretions with the correct accessory sex gland. A gland may match with more than one component.

________Seminal vesicle

________Prostate

________Bulbourethral gland

a. Citrate

b. Fructose

c. Prostaglandins

d. Coagulating enzyme

e. Mucus

f. Proteolytic enzymes

Which of the following is the main function of the scrotum?

a. The scrotum contains the testes and provides additional blood supply to them because of the location outside the abdominopelvic cavity.

b. The scrotum contains the testes and maintains the temperature of the testes about 3° C lower than body temperature, which is the optimal temperature for developing sperm.

c. The scrotum contains the testes and maintains the temperature of the testes about 3° C higher than body temperature, which is the optimal temperature for developing sperm.

d. The scrotum contains the testes and contains the blood testis barrier to separate the seminiferous tubules from the bloodstream.

What is the primary function of the epididymis?

Mr. Hassan has recently started getting up during the night to urinate and has also noticed that he is having trouble emptying his bladder. He has made a doctor's appointment, but his wife has already told him that the doctor will want to check his prostate. Do you think his wife is correct? Explain your answer.

The corpus spongiosum surrounds which structure in the male reproductive system?

Fill in the blanks: Internally, the penis contains three cylindrical erectile bodies, the paired ________ and the ________ .

What are the three regions of the male urethra?

The second meiotic division is very similar to mitosis. How would you explain the differences between the first meiotic division and mitosis?

Which of the following structures might be referred to as a ‘sperm factory’?

Fill in the blanks: At the end of meiosis, each cell has ________ chromosomes and they are genetically ________ from the original cell.