Heather has “short fingers” (brachydactyly).She has two older brothers who are identical twins; both have short fingers. Heather’s two younger sisters have normal fingers. Heather’s mother has normal fingers, and her father has short fingers. Heather’s paternal grandmother has short fingers; her paternal grandfather, who is now deceased, had normal fingers. Both of Heather’s maternal grandparents have normal fingers. Heather marries Tom, who has normal fingers; they adopt a son named Jeffrey who has normal fingers. Jeffrey’s biological parents both have normal fingers. After adopting Jeffrey, Heather and Tom produce two children: an older daughter with short fingers and a younger son with normal fingers. What is the most likely mode of inheritance for short fingers in this family? If Heather and Tom had another biological child, what is the probability that this child will have short fingers? Try drawing the pedigree. However, it is a bit challenging to fit in all the relationships, but the process is a good review of the symbols.

Name: Heather has “short fingers” (brachydactyly).She has two older brothers
Uploaded: 2024-03-20T06:43:04.000Z
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Description: Heather has “short fingers” (brachydactyly).She has two older brothers who are identical twins; both have short fingers. Heather’s two younger sisters have normal fingers. Heather’s mother has normal fingers, and her father has short fingers. Heath

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Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Heather has “short fingers” (brachydactyly).She has two older brothers who are identical twins; both have short fingers. Heather’s two younger sisters have normal fingers. Heather’s mother has normal fingers, and her father has short fingers. Heather’s paternal grandmother has short fingers; her paternal grandfather, who is now deceased, had normal fingers. Both of Heather’s maternal grandparents have normal fingers. Heather marries Tom, who has normal fingers; they adopt a son named Jeffrey who has normal fingers. Jeffrey’s biological parents both have normal fingers. After adopting Jeffrey, Heather and Tom produce two children: an older daughter with short fingers and a younger son with normal fingers. What is the most likely mode of inheritance for short fingers in this family? If Heather and Tom had another biological child, what is the probability that this child will have short fingers? Try drawing the pedigree. However, it is a bit challenging to fit in all the relationships, but the process is a good review of the symbols.

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