1BRCA1 andBRCA2Biology 1F25for Biology Non-MajorsLecture 33Background Reading•Textbook, Chapter 19.The People Who Prepared This LectureHarry PeeryAlan CastleLast lecture:How do we determine whether or not any characteristic has a genetic basis?First indication: Higher chance of occurrence of the characteristic in a family when compared to the whole population. However, does not provethat there is a genetic basis for the characteristic. Higher chance can be explained by environmental influences (physical or sociological environment).
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