Which statement correctly describes the muscular system of a flatworm? All of the muscles are involuntary muscles. All of the muscles are attached to a center bone. It is made up of three types of muscle tissue. It is made up of two layers of muscle.

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

Which would be the most useful source of evidence to support mcneill's contention?

Below are the three main organs that make up the plant body. what is the main function of the structure that is identified as b in the picture above? it anchors the plant.it produces food.it absorbs nutrients.it supports the plan