Dan had two children: Karen which had sickle-cell anemia, and his son Bob, which was healthy. Which child doesn't have a disease that causes anemia?
Ans: Bob

Two Islands were discovered by settlers, A small group of people moved to South island, but most of them moved to North island. People on North island had frequent food shortages. Which island had more resources for its inhabitants?
Ans: South

There is a strange phenomenon going on in Siberia. Biologist noticed that 60 percent of the Siberian Tigers have leucism, and another 40 percent have albinism. They labeled the first group as group A and the latter one as group B. They need to find the reasons for this phenomenon. Which group would have multiple types of reduced pigment?
Ans: group A

Brad and Dale went to the doctor for a check up. Brad did some blood tests and found out he has very high cholesterol levels, while his partner Dale had normal cholesterol levels, and was very healthy. Brad got scared and started worrying. Which friend was less at risk for heart disease?
Ans: Dale