I think it's funny when you share a relationship with someone for so long and all of the sudden they forget who you are

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Describe how alleles and genes are related

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly