Answered: Tom and Jane have four children: two…

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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Question

Tom and Jane have four children: two girls, Jill and Janet, and two boys, Tim and Todd. Tim has a genetic disorder that gives him polka dotted finger nails, but Todd Jill and Janet do not. All four of the children get married (to people outside their family) and have children. Here are the results:

Jill’s Children
Jack affected with polka dot finger nails
Jacob NOT affected with polka dot finger nails
John affected with polka dot finger nails

Janet’s Children
Jason NOT affected with polka dot finger nails
Justin affected with polka dot finger nails
Jessica NOT affected with polka dot finger nails

Tim and Todd have NO children affect with polka dot finger nails

This genetic disorder is mostly likely:

Group of answer choices

1 Autosomal Recessive

2 X-linked recessive

3 X-linked dominant

4 Y-linked

5 Autosomal Dominant

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