Which of the following are true?

I.
A single gene can control a single trait.
II.
A single gene can influence multiple traits.
III.
A single trait can be controlled by multiple genes.

A.
II and III only
B.
I and II only
C.
I and III only
D.
I, II, and III

Respuesta :

All of them are true 
So your answer should be D

Answer:

I, II, and III

Explanation:

A single gene can control a single trait or influence multiple traits. Also, a single trait can be controlled by multiple genes.