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Questions and Answers
Which of the following genetic conditions causes a lack of pigmentation in the skin, hair, and eyes?
Which of the following genetic conditions causes a lack of pigmentation in the skin, hair, and eyes?
- Sickle cell anemia
- Cystic fibrosis
- Mutation albinism (correct)
- Marfan syndrome
What is the genetic condition characterized by a lack of melanin production?
What is the genetic condition characterized by a lack of melanin production?
- Mutation albinism (correct)
- Erythropoiesis
- Alkaptonuria
- Hemochromatosis
What is the term used to describe the absence of melanin production in the body?
What is the term used to describe the absence of melanin production in the body?
- Xeroderma
- Osteogenesis imperfecta
- Mutation albinism (correct)
- Dysautonomia
Which genetic disorder results in a complete or partial absence of pigment in the skin, hair, and eyes?
Which genetic disorder results in a complete or partial absence of pigment in the skin, hair, and eyes?
Which structural abnormality is characteristic of red blood cells in sickle cell anemia?
Which structural abnormality is characteristic of red blood cells in sickle cell anemia?
What is the primary genetic cause of sickle cell anemia?
What is the primary genetic cause of sickle cell anemia?
Which type of genetic inheritance pattern is associated with sickle cell anemia?
Which type of genetic inheritance pattern is associated with sickle cell anemia?
What health complication can arise from sickle cell anemia due to the abnormal shape of red blood cells?
What health complication can arise from sickle cell anemia due to the abnormal shape of red blood cells?
What is the primary genetic cause of sickle cell anemia?
What is the primary genetic cause of sickle cell anemia?
How does sickle cell anemia affect the shape of red blood cells?
How does sickle cell anemia affect the shape of red blood cells?
Which health complications can arise from sickle cell anemia?
Which health complications can arise from sickle cell anemia?
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Study Notes
Albinism
- Causes a lack of pigmentation in the skin, hair, and eyes due to a lack of melanin production
- Characterized by a complete or partial absence of melanin production in the body
Sickle Cell Anemia
- Results in a complete or partial absence of pigment in the skin, hair, and eyes
- Characterized by a structural abnormality of red blood cells, specifically a sickle shape
- Primary genetic cause is a mutation in the HBB gene
- Inheritance pattern is autosomal recessive
- Abnormal shape of red blood cells can lead to health complications such as
- Blood clots
- Infections
- Organ failure
- Stroke
- Increased risk of infections
- Jaundice
- Fatigue
- Pain episodes
- Delayed growth and development
- Vision problems
- Increased risk of gallstones
- Increased risk of pulmonary hypertension
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