Where’s the list? Put it and I’ll help.
Answer is (C) It lacks quality experiments.
Phrenology is the study of the brain by looking at the size and the shape of cranium i.e., the skull. The study relies on empirical evidences that someone intelligent will have a bigger brain or will have a larger skull than a average person. These evidences however have no biological proof as they were not examined by conducting experiments. The study also rejected unsupported claims that a person with a smaller brain or skull size can be intelligent. Hence such a study or phrenology is considered a pseudoscience.
Mitochondria are made from the process called binary fission. This is the cell division utilized by the prokaryotes. It also has circular DNA that is similar in both size and structure in prokaryotic cells. Mitochondria also has its own DNA different than the DNA found in the nucleus of a cell.
A control group is different because it is not what is being tested. for example the control group would use sugar pills while the other group uses the pills being tested
