Which one of the following symbols and its representation used in the human pedigree analysis is correct?
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Solution
In pedigree analysis, normal male and normal females are represented by 'square' and 'circle' respectively. The affected male and normal females are represented by "shaded square" and "shaded circle" respectively. Shaded diamond denote the affected unspecified sex. Mating between individuals is shown by circle and square connected with one horizontal line. Correct answer is B.