you want to use crispr/cas9 to model a deletion mutation commonly found in cancer cells. suppose you design two sgrnas to this region of the genome. if cas9 cuts dna at 2 loci, what is the approximate size of the dna fragment expected to be deleted?

it would affect precipitation by causing flooding in some areas of the world due to climate increasing, causing the glaciers in the northern and southern pole of our planet to melt.

i wish you would have provided choices to simplify it and allow me to give an exact answer.

the fossil record provides evidence of a common ancestor to many species.