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Home Q & A Board Biology-Related Homework Help General Biology
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chezmoi chezmoi
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7 years ago
Hemophilia is a genetic disease that has plagued the royal houses of Europe. The disease allele is recessive and X-linked. Queen Victoria was a carrier, and her granddaughter Alexandra married Nicholas II, the last czar of imperial Russia. Alexandra was a carrier for hemophilia; Nicholas was normal. Their son, Alexis, was afflicted with the disease. Alexis and his four sisters were killed in 1917. What genetic traits were possible for the four sisters?
A) None of the four sisters carried the hemophilia allele.
B) At least one of the sisters was a carrier of the allele.
C) All four sisters were carriers of the hemophilia allele.
D) At least one of the sisters had hemophilia like Alexis.
Textbook 
Biology: Science for Life with Physiology

Biology: Science for Life with Physiology


Edition: 5th
Authors:
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Go easy on me, I'm just a high school student
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AboonaAboona
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7 years ago
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chezmoi Author
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#2
7 years ago
Thanks, this works perfectly!
Go easy on me, I'm just a high school student
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