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Crossing Over
Dominance and Crossing Over

This tutorial presents Gregor Mendel's law of dominance. Learn more about this form of inheritance and how it can be pre..

Chromosome Mutations
Chromosome Mutations

By nature, the genetic information from both parents is expected to be seen in the offspring following fertilization. Ho..

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Protein Variety

The sequence of amino acids determines the type of protein. Protein is synthesized according to the sequence of nucleoti..

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Animal Water Regulation

Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..

Bryophytes
Bryophytes

Bryophytes are a plant group characterized by being nonvascular. They include the mosses, the liverworts, and the hornwo..

Human Nervous System
The Human Nervous System

The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..