Asap in chickens, rose comb (r) is dominant over single comb (r). when a heterozygous rose-combed rooster is mated with a single-combed hen, what is the expected phenotypic ratio of the offspring?

The expected phenotypic ratio of the offspring would be

75% rose comb

AND

25% single comb

its d lol

; 0

when atoms of different types of elements join together, they make molecules called compounds. water consists of compound molecules made up of 2 hydrogen atoms and 1 oxygen atom. this is why it's called h2o. water will always have 2 times the number of hydrogen atoms as oxygen atoms.