What does dna that contain?

a. the chromosomes that build proteins

b. the coded blueprint for life

c. the ability to translate rna code

d. the factors for heredity called alleles

Why was the sample heated in step 5? describe the chemical principles involved in the reasoning behind this step?

What factors contribute to the effect an environmental toxin has on the human body?

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