Following digestion of a DNA sample with restriction enzymes and separation of the resulting fragments by electrophoresis, one often uses DNA probes and a blotting procedure to identify the fragment containing the gene of interest. This process is known as:

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.