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Heredity: Is the passing on of features from parents to offspring by means of genes.

Gene: Is a section of DNA that causes the production of a protein.

Gene expression: Is the way in which the genetic information in a gene is decoded in the cell and used to make protein.

Characteristics: Are traits or features that are inherited genetically.

Structure of DNA

DNA stands for deoxyribonucleic acid. DNA is a double stranded molecule made up of elongated chains of sub-units called nucleotides. DNA contains four chemicals called base pairs which are:

-Adenine (A)

-Thymine (T)

-Guanine (G)

-Cytosine (C)... (More)

The Scientific Method

• Scientific Method is a process of investigation where problems are identified and their explanations are tested by carrying out experiments.
• Observation : An unbiased, accurate report of an event.
• Hypothesis : An educated guess based on observations.
• Experiment : An experiment is designed to test a hypothesis.
• Data : Consists of measurements, observations/information gathered during an experiment.
• Replicate : A repeat of an experiment.
• Control : A comparison used to provide a standard against which the actual experiment can be judged.
• Theory : A hypothesis that has been supported by different experiments.
• Principle/Law : A theory that... (More)