Answer: 23 chromosomes
In humans, gametes are haploid cells that contain 23 chromosomes, each of which a one of a chromosome pair that exists in diplod cells. The number of chromosomes in a single set is represented as n, which is also called the haploid number. In humans, n = 23.
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49; Number of Electrons = Number of Protons = Atomic Number
As the vast Pangea continent broke apart due to tectonic
movements, the movement of animals was restricted to their continent hence gene flow
between populations was reduced. As the tectonic plates moved across latitudes, their climate
changed and consequently, the fauna on
the continents. This necessitated for speciation of the offspring population from parent
population so as to adapt to the
new habitats. Some animals were unable to adapt
while others such as the reptiles, adapted well.
1. It does this to protect host's cells and keep the virus in the same spot so white blood cells can kill them.
2. Aids are not caused by bacteria because what causes it is a sexual disease.
3. A vaccine is the disease but a weakened form so then the white blood cells can learn how to kill the disease but antibiotics can only slow down the disease so that the white blood cells can kill it.
I hope this helps you.
