Is autism more common in a certain group of people?

Which best describes the scientific method? a. a path of clearly defined steps that must be followed in a particular order b. a possible answer to a scientific question based on knowledge or research c. the recipe for how to conduct an experiment that must be followed precisely d. the process of hypothesis and testing through which scientific inquiry occurs

What blood vessels carry blood to the heart? away from the heart?

Look at the inheritance patterns. what do you notice? can a single offspring inherit both chromosomes from one parent?