Angelman Syndrome or Prader Willi will be present in a child when:

a) there is a deletion on the X chromosome.

b) there is a mutation involving the X chromosome.

c)methylation has occurred involving one parent's chromosome.

d)methylation has occurred involving both parents' matching chromosomes.

Which of the following types of stars is most likely to end up as a supernova? in graph a, the curve peaks at 800 nm, in the red section of the visible light spectrum. in graph b, the curve peaks at 550 nm, in the green section of the visible light spectrum. in graph c, the curve peaks at 450 nm, in the blue section of the visible light spectrum. in graph d, the curve peaks at 300 nm, in the violet section of the visible light spectrum. a b c d