In the Meselson-Stahl experiment, if the semiconservative model was correct, what was the expected composition of DNA molecules after two rounds of replication

What are the possible blood types among the children of parents that are ab and ii? oa) types a and b ob) types a, b, and ab c) types a, b, and o od) types a, b, ab, and o

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

Use the distance formula to determine weather each pair of segments have the same length