According to the dichotomous key organism 3 is a A) leech

B) bristle worm

C) water scorpion

D) dragonfly nymph

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

Produce proteins by following coded instructions that come from the nucleus of the cell.

Which atmospheric later is where earths northern and southern lights occur