Which was Charles Darwin contribution to the study of biology?

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 of the following terms describes all of the non-living components of an ecosystem

Can result as a complication of diabetes due to damage to the arterial walls and excess fat in the blood.