Which of the following statements regarding RNA is true? RNA molecules always form an anti-parallel double helix.

RNA molecules form the hereditary molecules of the cell.

RNA uses the sugar deoxyribose.

*RNA uses the nitrogenous base uracil.

i'm gonna put a couple so you can chose from

explanation:

if you know the fur color of the offspring mice, you can use the ratios to identify the genotypes of the parents.

if either parent mouse passes a dominant allele, the offspring will have black fur.

if the parental mice has two different fur color (i.e white and black) , the color of the offspring's fur would be either black, white, or the combination of both (grey)

hope this : )

d.

explanation:

sorry, is there a picture? i do not see any arrows.

wut? unius0123 wut?