The right answer is a person has more than two alleles for a certain trait.
Duplication is a genetic mutation characterized by the doubling of genetic material on a chromosome. There are several mechanisms that result in the duplication of either a large chromosomal portion, a gene, or a nucleotide sequence.
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Answer:
The theory of plate tectonics states that the Earth's solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle. ... At convergent boundaries, plates collide with one another.
The effector in a negative feedback system acts to counter any changes made to a particular property. If it were positive feedback, it would amplify the change and make it more extreme
Out of the choices given, the water rises and falls with precipitation. The water table is the level below where the ground gets saturated with water. The correct answer is B.
