Answer:
A person can have normal chromosomes in number and structure, but still have a disease or condition caused by a mutation in one or more of the genes on the chromosomes. A single gene defect usually does not cause the chromosome structure or number to be abnormal.
Explanation:
I'm not sure if this is correct but hope it helps.
The answer is: "2A" or "IIA" or "2" or "II";
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In which "II" stands for the Roman numeral representing the number: "2 (two)".
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Answer:
the Sun
The Moon gets its light from the Sun. In the same way that the Sun illuminates Earth, the Moon reflects the Sun's light, making it appear bright in our sky.
the center of the solar system is the sun
<span>Scientists have been doing several experimentation
and discovery of the changes of the ice on the pole. Recent evidence from polar
ice core analysis shows that, until now, carbon dioxide levels have never
exceeded 300 ppm in the last several hundred thousand years.</span>
