Variation in DNA is the direct result of which of the following? * Asexual Reproduction
Crossing Over
Interphase
Somatic Cells

What are two ways in which waves erode the land?

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

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