Please help ! will mark and 10 points

What could happen if two base pairs on a strand of dna or switched

Look at the illustration of four letters from the american manual alphabet. decide whether the description of the letter is a good definition. if not, choose a counterexample. the letter i is formed by sticking up the smallest finger and folding all the other fingers into the palm of your hand with the thumb folded over them while keeping your hand still.

Leopold's genotype is xy. what does this mean? a.leopold had hemophilia b.leopold did not have hemophlilia c.leopold was a carrier of hemophilia,but did not have the disease d.leopold's daughter would have hemophilia