<h2>Answer:</h2>
The great genetic and phenotypic diversity among humans is due to crossing over during meiosis in the human population.
<u>If crossing over does not happen in meiosis then, there will no genetic and phenotypic diversity in humans.
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In simple words, the faces and traits will reappear in generations.
<h2 />
A deficiency in the diet of the element Iodine [I] can lead to goiter. This is why in the U.S. we placed more of it in all table salt ("iodized salt").
Negative ion <span>occurs when an atom gains an electron (negative charge) it will have more electrons than protons.</span>
When we're doing scientific research, we should definitely be avoiding any sources which aren't scientific by nature. This means we should avoid sources which haven't been peer reviewed by fellow authors of a similar field. With this, we avoid using literature of questionable quality.
When translated:
In that sense, in a sense,
