Why is the sickle cell allele a nuisance trait rather than an advantage in most of the modern world?

Biology

1 answer:

Gelneren [198K]3 years ago

7 0

Answer:

Sickle cell anaemia is a generic disorder which affects the red blood cells. The red blood cells assumes a sickle shape and contains lesser amount of the protein hemoglobin. Hemoglobin helps in the necessary transport of oxygen to other parts of the body.

The sickle cell allele is known to be advantageous to mainly people who stay in developing/underdeveloped counties who malaria endemic . People with the sickle cell allele have a higher chance of survival against malaria than people without this allele.

In modern countries malaria isn’t prevalent there due to the lack of vectors, poverty and environmental conditions which tends to support the survival of the mosquito. This means the sickle cell allele isn’t advantageous in this region.

You might be interested in

Imagine the grasshoppers population was gone. What would happen to the black and white bird population?

Zina [86]

Answer:

The black and yellow bird population would begin to starve and would be forced to find alternative food, or die off. This would then send ripples through the food web, causing almost every species to be effected by the grasshoppers being gone.

4 0

3 years ago

The number of protons within the atom's nucleus is called atomic number and is equal to the number of electrons in any neutral a

makkiz [27]

E<span>ach atomic number identifies a specific element, but not the "Ion/Charged particle"

Hope this helps!</span>

3 0

4 years ago

Read 2 more answers

In transcription, _____ is used as a template for the construction of a new rna molecule.

monitta

I think the answer should be B. is the correct answer. In transcription, a segment of one strand of double stranded DNA.

Hope it helped!

8 0

4 years ago

I NEED THE ANSWER NOW!!!

Dmitrij [34]

Explanation:

1. Donkeys have smaller hoofs than horses.

2.Donkeys do have longer and thicker ears than horses.

3.Horses tend to have a long and large face than Donkeys.

Sorry that's all I know

(edited)

5 0

3 years ago

Inspiratory capacity is ________. A. functional residual capacity B. air inspired after a tidal inhalation C. the total amount o

Brrunno [24]

Answer: C. the total amount of air that can be inspired after a tidal expiration.

Explanation:

The inspiratory capacity can be define as the highest volume of the air that can be inspired after the expiration. It is the sum of the the inspiratory reserve volume and tidal volume.

The tidal volume is the measure of the amount of air inspired and expired during the process of normal breathing. This includes the volume of around one to half liter. The expiratory reserve volume is the additional air which is exhaled after normal exhalation.

4 0

4 years ago