Question

A medical team visits a village in East Africa in 2005 in order to treat malaria. At the time, researchers find that 45% carry the gene for sickle cell trait. The term return in 2018 and finds that now 55% of the village carry the sickling gene. During this time an average of 2 people a year died of malaria. Based on what we know, what can we say about evolution?

A There has been a change in the frequency of the sickling gene: therefore evolution has been obscured.

B Because people have died during this time there is no proof of evolution

C There is not enough data to make a statement about evolution.

D None of the above

All the cats, whether big or small share certain things in common: whiskers, retractable claws and a strict carnivorous diet. Because these traits in these various cats inherited from a distant ancestor, they are referred to as

A Shared derived characteristics

B Genetic Drift

C Mitosis

D none of the above

Answer 1