One important disadvantage of radiation treatment is that

a. radiation kills cancer cells
b. radiation cannot be focused, the entire body must be treated
c. radiation must be delivered through an implanted device
d. radiation kills cancer cells and healthy cells

Tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d