19-05-2020
Biology

contestada

How/why did sickle cell anemia increase in frequency in the human population?

Respuesta :

elizabethstudttt elizabethstudttt

28-01-2021

Answer:

Scientists believe the sickle cell gene appeared and disappeared in the population several times, but became permanently established after a particularly vicious form of malaria jumped from animals to humans in Asia, the Middle East, and Africa.

Explanation:

Answer Link

Otras preguntas

Someone help l don’t understand

When a piece of copper is taken to the moon , a change will be observed in it's ?

It was not until the _____ that medical treatments became widely used to treat psychological disorders. A: 1600s B: 1700s C: 1800s D: 1900s What year?

what is the best part of the hair to extract DNA from

Why did the British urged Native Americans to destroy American settlements west of the Appalachians

I need help with this answer

I need help with both of these questions !

Find the solution to the following inequalities by graphing and shading the appropriate solution A) y ≤ 2/3x -3 B) y < 4/3x + 2 -3x + 5y ≥ -15

Solve the linear equation 1/2 x + 10 = 1/4 x + 54. State the property that justifies your first step and why you choose it.

Help me PLEASE I need the answer to 2 and 11