Heavy DNA ( N15 DNA), hybrid DNA, and light DNA ( N14 DNA) can be separated by centrifugation. Of cells containing N15 DNA are transferred to a medium with only N14 NH4Cl as a nitrogen source, what percent of daughter molecules are composed of hybrid DNA after 4 generations

An example of a trait that would be considered acquired and inherited is a. a cleft chin b. muscle tone c. scar tissue d. freckled skin

The rapid decomposition of organic matter produces evidence which supports: the slow accumulation of coal deposits long ages of the earth rapid burial of vast amounts of vegetation biblical account of noah's flood

This class has taught you that the use of science and medicine in practical ways has become an international endeavor. one of the greatest examples of an international science accomplishment is which allows the profiling of human dna, useful not only to science but also medicine. a) forensic science b) the fbi c) the human genome project d) bioterrorism