How Does the Case of Sickle Cell Disease and Malaria

question 13

Multiple Choice

How does the case of sickle cell disease and malaria illustrate a potential complication of germ-line gene therapy?

• A) Malaria is not controlled by one single gene.
• B) The gene that controls malaria also controls red blood cells.
• C) Removing the sickle cell gene prevents sickle cell disease, but it also prevents the development of red blood cells.
• D) Having one sickle cell gene doesn't cause a severe version of the disease and it also makes a person resistant to malaria which is important for those living where malaria is prevalent.
• E) A person with two sickle cell genes is resistant to mosquito bites which carry malaria, a disease worst than sickle cell.

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Definitions:

Hyperopia

A condition, also known as farsightedness, where distant objects can be seen clearly while close ones appear blurry.

Convex Lenses

Optical lenses that curve outward, capable of bending light rays to converge at a focal point, often used in magnifying glasses.

"Minus" Lenses

Eyeglass lenses designed to correct myopia (nearsightedness) by diverging light rays before they reach the eye.

Conjunctiva

A thin, transparent membrane that covers the white part of the eyeball and the inner surfaces of the eyelids.