Answer
HBA HBs
Explanation:
In some parts of Africa, up to 20% of the population are carriers of the sickle cell gene. This suggests that the trait must have a survival value. The carriers of the trait have a much lower susceptibility to malaria than normal individuals. This is because the malaria parasite survives very poorly in sickled red blood cells.
Unlike exocrine glands, endocrine glands <span>release secretions directly into the blood. The correct option among all the options that are given in the question is the third option or option "C". Basically exo means outside and endo means inside. This is the hint that will lead to the correct answer.</span>
the answers are 1 3 4 and 5
I actually had a similar question on my test and this is the answer:
The reason the magnet loses its magnetic properties is is because when you drop the magnet or bump it against something, the domain can get bumped or dropped out of alignment.
Hoped this helped :)
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The answer would be D. variation