Which statement best describes how muscles the body move?
a. the tendon of a muscle pulls on a bone.
b. the ligament pulls on the muscle attached to the bone.
c. the muscle pushes against a joint.
d. one muscle pulls on another muscle.

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