Asked • 04/14/20

need help to explain please

A pedigree uses specific symbols to indicate genetic information about related individuals. Consider the figure, which depicts a pedigree with three generations of a family affected by a rare genetic disorder.

Place the individuals based on the information in the pedigree. Some individuals may not be used.

A pedigree with three generations. In the first generation, individual 1, an unshaded square, mates with individual 2, an unshaded circle. They produce four offspring, individuals 3, 6, 8, and 9. In the second generation, individual 3, a shaded square, mates with individual 4, an unshaded circle. They produce three offspring for the third generation, individuals 11, a shaded square, 12, an unshaded square, and 13, an unshaded circle. Back in the second generation, individual 6, an unshaded circle, mates with individual 5, an unshaded square. They produce two offspring for the third generation, individual 14, a shaded square, and individual 15, an unshaded circle. Back in the second generation, individual 8, a shaded square, mates with individual 7, an unshaded circle. They produce one offspring for the third generation, individual 16, an unshaded circle. Back in the second generation, individual 9, an unshaded square, mates with individual 10, an shaded circle. They produce three offspring for the third generation. Individuals 17 and 18 are both shaded squares, and individual 19 is an unshaded circle.


Nahida S.

so how many people are affected? Affected male Unaffected female Siblings the numbers are 5, 8, 1 and 2, 2, 17 and 19
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04/14/20

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Inactive Tutor answered • 04/14/20

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