Answer: Option B is incorrect rest all the statements are correct.
Explanation:
A single trait can be controlled by multiple genes: A single trait can need multiple gene to be controlled. There are many traits in the body which can be controlled by the multiple genes in the body.
A single trait can alter multiple genes: The activity of a single gene can alter the activity of the multiple genes of the body. The faulty protein produced by the gene can also effect the other genes of the body.
A single gene can influence multiple traits: A single gene in the body can affect multiple characters of the body. A single gene can be responsible or eye color, hair color, skin color et cetera.
It is important because 1/3 of our fresh water is above the suface which is not a lot considering the fact that 4% of the world's water is fresh water, which is what makes our fresh water very important and valueable.
Sorry if this is long I'm an over achiever.
I would say the correct answer is "Care for their offspring"
You didn't provide the sentence that is relevant in this case, however, generally if you would like to be objective in a sentence, you shouldn't include possible issues such as subjective thoughts, judgments, and similar things which have a negative impact on objectivity (and in reality destroy any remaining objectivity in a sentence).
