Studies Suggest That a Single Gene Is Not Responsible for the Expression

question 62

Multiple Choice

Studies suggest that a single gene is not responsible for the expression of autism,and as many as ______ different genes may be involved (Santangelo & Tsatsanis,2005) .

• A)5
• B)10
• C)15
• D)20

---

Definitions:

Ureter

Tube conducting urine from the kidney to the urinary bladder.

Epididymis

A long, coiled tube located at the back of the testes that stores and carries sperm.

Seminal Fluid

A viscous fluid composed of spermatozoa and various secretions from the male reproductive glands, supporting and facilitating sperm mobility.

Seminal Vesicles

Glands located near the prostate in males that produce a significant portion of the fluid constituting semen, providing nutrients and a medium for sperm transport.