a. What phenomena apply to the condition in this family? Answer b. How is the inheritance pattern of Jervell and Lange-Nielsen syndrome similar to that of familial hypercholesterolemia? Answer C. How possible is it that Tina would not inherit either the serious or asymptomatic form? Answer

Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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5. Connie Winslow is deaf. When she was old enough to attend school, she began
having fainting spells, especially when she became excited. Her parents took her
to a neurologist, who checked Connie's heart and diagnosed long-QT syndrome
with deafness also called Jervell and Lange-Nielsen syndrome. This is a severe
form of inherited heartbeat irregularity that can be fatal. Seven different genes can
cause long-QT syndrome. The Winslows visited a medical geneticist, who
discovered that each had a mild heartbeat irregularity that did not produce
symptoms. Connie's parents had normal hearing. Connie's younger brother Jim
was also hearing-impaired and suffered night terrors, but had so far not fainted
during the day. Like Connie, he had the full syndrome. Tina, still a baby, was also
tested. She did not have either form of the family's illness; her heartbeat was
normal.
Transcribed Image Text:5. Connie Winslow is deaf. When she was old enough to attend school, she began having fainting spells, especially when she became excited. Her parents took her to a neurologist, who checked Connie's heart and diagnosed long-QT syndrome with deafness also called Jervell and Lange-Nielsen syndrome. This is a severe form of inherited heartbeat irregularity that can be fatal. Seven different genes can cause long-QT syndrome. The Winslows visited a medical geneticist, who discovered that each had a mild heartbeat irregularity that did not produce symptoms. Connie's parents had normal hearing. Connie's younger brother Jim was also hearing-impaired and suffered night terrors, but had so far not fainted during the day. Like Connie, he had the full syndrome. Tina, still a baby, was also tested. She did not have either form of the family's illness; her heartbeat was normal.
b. How is the inheritance pattern of Jervell and Lange-Nielsen syndrome
a. What phenomena apply to the condition in this family?
Answer
similar to that of familial hypercholesterolemia?
Answer
C. How possible is it that Tina would not inherit either the serious or
asymptomatic form?
Answer
Transcribed Image Text:b. How is the inheritance pattern of Jervell and Lange-Nielsen syndrome a. What phenomena apply to the condition in this family? Answer similar to that of familial hypercholesterolemia? Answer C. How possible is it that Tina would not inherit either the serious or asymptomatic form? Answer
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