Which of the following techniques is used by researchers to carry out dna replication in vitro?

a.) northern blotting
b.) dna fingerprinting
c.) polymerase chain reaction

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 of the following is a common response to cell signaling?

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin