Chapter 9 Important Slides

Question 1

What is the male sex cell called? (!!)

Answer 1

Spermatozoon = sperm cells

Question 2

Where does the sperm carry the DNA or nuclear hereditary or chromosome? (!!)

Answer 2

Head region

Question 3

How does the sperm navigate or be mobile? (!!)

Answer 3

Flagellum = hair-like projection on a sperm cell

Question 4

What are fraternal twins? (!!)

Answer 4

Twins or two infants resulting from the fertilization of 2 separate ova by separate sperm cells

Question 5

What are identical twins? (!!)

Answer 5

Twins resulting from the fertilization of a single egg by a single sperm

Question 6

What is the role of testosterone?

Answer 6

Responsible for secondary sexual characteristics like beard, pubic hair, and deeper voice

Question 7

What is hypospadias? (!!)

Answer 7

• It is the urethral opening on the underside of the penis.
• So surgical repair involves excising a portion of the prepuce, wrapping around a catheter, suturing it to the distal part of the urethra, bringing to the end of the penis