Pedigree analysis

[@0ohyaa0]

Why is it that you automatically assume that the husband of the affected woman is AA? And that the spouses of the children are also AA? Isn't it possible for them to be Aa?

[@GeneticsLessons]

Watch the video: Scientists have found the cause of gigantomastia.. The condition can result from several types of genetic rearrangements involving the CYP19A1 gene. kzbin.info1LRF8RVKr_E