What causes the expression of a recessive trait? A) two dominant factors

B) one dominant and one recessive factor

C) two recessive factors

D) one dominant gene​

C two recessive since it gives a high chance of a recessive trait

Explanation:

C. Two recessive factors

Explanation: Good luck! :D

Let's use red hair for example - r

And we'll say that brown hair is dominant - R

You won't get red hair from RxR, the gene isn't in the punnet square. (Not A.)

Rxr would be always be Brown hair and they carry the red hair gene. (Not B.)

The dominant gene is the opposite of the recessive trait. (Not C.)

as many times as you want

i think its through the fallopian tube