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Hemophilia: The Royal Disease

Hemophilia: The Royal Disease. Word of the Day: Pedigree. Definition. Hemophilia- “blood loving”. Missing proteins that help in blood clotting 2 types: A and B Hemophilia A: X (sex) linked recessive hereditary disorder X h X h How would it be written for a boy?. Incidence: How common?.

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Hemophilia: The Royal Disease

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  1. Hemophilia: The Royal Disease Word of the Day: Pedigree

  2. Definition • Hemophilia- “blood loving”. Missing proteins that help in blood clotting • 2 types: A and B • Hemophilia A: X (sex) linked recessive hereditary disorder • XhXh • How would it be written for a boy?

  3. Incidence: How common? • It is the second most common inherited clotting factor abnormality (after von Willebrand disease) • 1 in 5000-10,000 live male births • No difference between racial groups

  4. How is it passed on?

  5. Can both genders get the disease?

  6. Can you trace the disease through your family? • Pedigree: • A list of ancestors; a family tree.

  7. How to read a pedigree.

  8. Genetics • Who has Hemophilia? All the circle/square is filled in • Who is a carrier? A half circle/square is a carrier

  9. Can you determine genotype from a pedigree?

  10. Draw a Pedigree for This Paragraph • Africa and Raymond are married. They have three kids ( 2 girls and 1 boy). The daughter is a carrier for a disease. She marriesHangfangand they have twin girls. Each of the twins has the disease.

  11. Answer Xue Xia Miquel

  12. So… WHY IS IT CALLEDTHE ROYAL DISEASE?!!?

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