Answer:
A gene is a small section of DNA on a chromosome that codes for a particular sequence of amino acids, to make a specific protein. It is the unit of heredity, and may be copied and passed on to the next generation.
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<span> Organism- an individual form of life that is capable of growing metabolizing nutrients, and usually reproducing. </span>regardless of the organism being unicellular or multicellular.
The answer is A.
b and c are opinionated and Star signs aren’t scientifically proven.