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Genetic Contribution of Ancestors
If you have a pedigree, you can calculate % contribution of any repeats simply by multiplying the number of times each ancestor appears in any generation by the appropriate percentage for that generation and then add together all of the calculated percentage of contributions from each generation. The table listed below shows the percentage of blood inherited from each ancestor at the given generation levels. Generation "1" is the parents.
- Generation
1
2 3 4 5 6 7 8 9 10 - % Contribution 50.0 25.0 12.5 6.25 3.125 1.563 0.781 0.391 0.195 0.098