How does a mechanic know that his wrench is exerting an unbalanced force on a bolt?
a. the bolt begins to turn
b. he feels pressure between his hand and the wrench
c. the bolt does not move
d. the wrench begins to bend

Select the correct answer. 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