Human Skin Cells Have Two Copies of Each Chromosome, One

question 62

Short Answer

Human skin cells have two copies of each chromosome, one from the biological mother and one from the biological father. Having two copies of a chromosome is called ______; it is sometimes abbreviated as 2n.

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Definitions:

Like Charges

Charges that are the same (either both positive or both negative) and repel each other according to Coulomb's law.

Opposite Charges

Charges that have different electrical signs, one positive and one negative, which attract each other.

Valence Shell

The outermost shell of an atom that contains the electrons most involved in chemical reactions.

Atom

The smallest unit of a chemical element, consisting of a nucleus of protons and neutrons, surrounded by electrons.