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Those "non-biological" factors that are involved in a person's surrounding such as the nature of the person's parents, the person's friends, and the person's behavioral choices
A section of DNA that codes for the production of a protein or a portion of protein, thereby causing a trait
A strand of DNA coiled around and supported by proteins, found in the nucleus of the cell
The duplication of a cell's chromosomes to allow daughter cells to receive the exact genetic makeup of the parent cell
Constricted region of a chromosome and the point at which duplicate DNA strands attach themselves
The figure produced when the chromosomes of a species during metaphase are arranged according to size
A non-cellular infectious agent that has two characteristics:
(1) It has genetic material inside a protective protein coat
(2) It cannot reproduce itself
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