Define Pedigree chart
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A pedigree chart is a diagram that shows the occurrence and appearance or phenotypes of a particular gene or organism and its ancestors from one generation to the next. In the pedigree chart, males are shown by squares and females by circles.
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Define Mutation
Does the sex of the child depend on the father or is it just a matter of chance? Discuss.
State the three Mendel's laws of inheritance.
Define Variations