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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List any three features of garden pea with their dominant and recessive traits.
Explain why generally only the male child suffers from colour blindness and not the female?
Define Variations
Define Mutation