Which one of the following symbols represents mating between relatives in human pedigree analysis?
A single horizontal line connecting a male and female square/circle
A double horizontal line connecting a male and female square/circle
A solid shaded square or circle
A diamond shape
(Figure 4.13), a single horizontal line between a square (male) and a circle (female) represents Mating. A double horizontal line between the two symbols represents Mating between relatives (consanguineous mating) .
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