The father's father donates only the Y chromosome, not the X chromosome. The father's mother gives him his X chromosome.
Therefore, the father's father does not pass on any of the genetics of his X chromosome
Answer:
Early cyanobacteria in stromatolites are thought to be responsible for increasing the amount of oxygen in the primeval Earth's atmosphere through their continuing photosynthesis. They were the first known organisms to photosynthesize and produce free oxygen.
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A night person is more active and awake at night whilst a morning person is the opposite.
Answer:
Biodiversity is the variety and variability of life on Earth.
Explanation:
Because we can’t tunnel down, so in order to study the interior layers, we must use indirect methods.
