How would dna extracted from an onion be different from dna extraction from cauliflower?

Dna extration from a onion and from a cauliflower would be different because even though all DNA is composed by the same nucleotides (A, T, C and G), the sequence of their genes will be different. That difference is why a cauliflower doesn't look like a onion. The cauliflower has genes that, when expressed, make the organism look like cauliflower and nothing else..

The troposphere gets warmer as altitude increases.

The correct answer to this question would be c