The plant has the genotype ssyy. (Uncapitalized because they are recessive genes, not dominant.)
A I believe should be correct
Has normal (2n) amount of DNA;
Has twice (4n) the normal amount of DNA
We see rainbows when the son is behind us and some type of water or rain is in front of us. When the sun light hits a raindrop it's refracted and is changed in direction.
(and we see them with our eyes mannnn or womannnn)