Answer The correct answer is -
An example of multiple allelism in humans is ABO blood group system.
Explanation:
Multiple allelism can be described as a condition when three or more than three gene variant ( also called alleles) occupying the same locus, are present within a population. However, only two of those alleles are present within a single organism.
For example, the ABO blood group system, which is controlled by three different alleles (A, B, and O) is an example of multiple allelism.
A pure substance is any substance on its own. For example, sand is impure for containing lots of different substances. However, diamonds are mostly pure for only containing one type of substance.
Whether a substance is pure or not doesn't relate to a substance's molecular structure, but different molecules in a substance. Water by itself is only H2O, therefore it still pure.
Water is not an element but a compound for containing different elements, however it still pure.
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Answer:
*D.10*
Explanation:
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