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Home Q & A Board Biology-Related Homework Help General Biology
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tyressjones tyressjones
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7 years ago
Hemophilia is a genetic disease that has plagued the royal houses of Europe since the time of Queen Victoria, who was a carrier. Her granddaughter, Alexandria, married Nicholas II, the last czar of imperial Russia. Alexandria was a carrier for hemophilia, but Nicholas was normal. Their son, Alexis, was afflicted with the disease.

Based on this scenario, it is most likely that
A)  none of the four sisters carried the hemophilia gene.
B)  each of the sisters had a 50% chance of being a carrier of the gene.
C)  all four sisters were carriers of the hemophilia gene.
D)  at least one of the sisters had hemophilia.
E)  Alexis inherited the hemophilia gene from Nicholas II.
Textbook 
Biology: Life on Earth

Biology: Life on Earth


Edition: 10th
Authors:
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skeledentskeledent
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tyressjones Author
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