Sickle Cell Anemia: Natural Selection

Harmful traits should be rare because:

• populations will not want to have harmful traits and will try to stop them.

• individuals with a harmful trait will not reproduce as effectively and pass those traits to their offspring.

What is the primary role of a pediatric hematologist?

• Study and treat blood disorders in children

• Study and treat neurological disorders in children

• Study and treat heart diseases in children

• Study and treat genetic disorders in children

Sickle Cell Anemia is caused by:

• UV Rays

• a single nucletide mutation

• exposure to COVID 19

• cold weather

What discovery did Tony Allison make regarding sickle cell disease?

• He found a cure for sickle cell disease

• He developed the first synthetic hemoglobin

• He discovered the genetic mutation causing sickle cell

• He identified the connection between sickle cell trait and malaria resistance

Why is the sickle cell trait more common in certain regions?

• It provides resistance against malaria

• It enhances oxygen transport in blood

• It is a random genetic mutation without advantage

• It is due to dietary influences

How does the sickle cell trait protect against malaria?

• It speeds up blood circulation

• It prevents the malaria parasite from digesting hemoglobin effectively

• It changes the blood pH level

• It increases white blood cell count

What is the focus of Dr. Archer's discussions with her patients?

• The genetic basis of their condition and its historical role against malaria

• The importance of staying hydrated

• The importance of regular exercise

• The need for a balanced diet