. Multiple people came forward claiming to be parents of a recent murder victim - John Doe. For the first set of parents, the man has type AB blood, the woman has type O blood and the victim has type O blood. What is the percent chance that these are the parents of the victim? (Hint: set up a punnett square to solve)

0% chance
25% chance
50% chance
100% chance

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.