Sickle cell disease (SCD) affects millions of people throughout the world; the CDC "Centers for Disease Control and Prevention" estimated that in the United States: SCD affects approximately 100,000 Americans. SCD occurs among about 1 out of every 365 Black or African-American births. SCD occurs among about 1 out of every 16,300 Hispanic-American births. About 1 in 13 Black or African-American babies is born with sickle cell trait (SCT). What do sickle cells mean? And how does this disease affect the human body? Why do Some experts state it can have some benefits?

Sickle cell disease (SCD) affects millions of people throughout the world; the CDC "Centers for Disease Control and Prevention" estimated that in the United States: SCD affects approximately 100,000 Americans. SCD occurs among about 1 out of every 365 Black or African-American births. SCD occurs among about 1 out of every 16,300 Hispanic-American births. About 1 in 13 Black or African-American babies is born with sickle cell trait (SCT). What do sickle cells mean? And how does this disease affect the human body? Why do Some experts state it can have some benefits?

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter1: A Perspective On Human Genetics

Section: Chapter Questions

Problem 9QP: If your father were diagnosed with an inherited disease that develops around the age of 50, would...

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If your father were diagnosed with an inherited disease that develops around the age of 50, would you want to be tested to find out whether you would develop this disease? If so, when would you want to be tested? As a teenager or sometime in your 40s? If not, would you have children?
Hereditary hemochromatosis is an autosomal recessive genetic disorder that causes the body to absorb too much iron from the diet. This excess iron is stored in the body's tissues and organs, particularly the skin, heart, liver, pancreas, and joints. Because humans cannot increase the excretion of iron, excess iron can overload and eventually damage tissues and organs. A. Symptoms of hereditary hemochromatosis include fatigue, joint pain, arthritis, diabetes, heart disease, skin discoloration, delayed puberty in males, and premature menopause in women. All of these symptoms result a single mutation in a specific gene. Name and define this genetic phenomenon and explain how it relates to this specific genetic situation described above.
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Sickle cell anemia is an inheritable red blood cell disorder that results in sickle-shaped red blood cells. The sickle-shaped red blood cells can stick to blood vessel walls and cause a blockage or slow the movement of blood throughout the body. Individuals who are heterozygous produce both normal and sickle-shaped red blood cells which gives them resistance to malaria but they do not develop sickle cell anemia (so heterozygotes are unaffected on the pedigree).Let HbS be the allele for sickle cell anemia and let HbA be the allele for normal red blood cells. Which of the following rows provides the correct genotypes for individuals I-2, I-4, II-1, and III-1? Select one: a. I-2 I-4 II-1 III-1 HbA_ HbAHbS HbAHbS HbA_ b. I-2 I-4 II-1 III-1 HbA_ HbAHbS HbAHbS HbAHbS c. I-2 I-4 II-1 III-1 HbAHbS HbAHbS HbAHbS HbAHbS d. I-2 I-4 II-1 III-1 HbAHbA HbAHbA HbAHbA HbAHbA
Hereditary hemochromatosis is an autosomal recessive genetic disorder that causes the body to absorb too much iron from the diet. This excess iron is stored in the body's tissues and organs, particularly the skin, heart, liver, pancreas, and joints. Because humans cannot increase the excretion of iron, excess iron can overload and eventually damage tissues and organs. Anthony and Melinda met at a support group for individuals who have hereditary hemochromatosis. They were advised by their genetic counselor that it would be risky to have children, since both of them are homozygous for the same recessive allele that causes this condition. Nevertheless, they decided to have a child together. During Melinda’s pregnancy, amniocentesis and genetic testing were performed, and it was confirmed the fetus was homozygous for the hereditary hemochromatosis allele. At birth, the baby appeared completely normal, and as the child continued to grow and mature, the couple were surprised that he seemed…
Barbara and John have two daughters (Madison and Kelly), and one son (Mike), all have normal red blood cells. Their other son (Chase) has been diagnosed with sickle cell. Barbara recently gave birth to another son (Barry) who also has been diagnosed with sickle cell. Barbara’s mother (Beth) has sickle cell, but her father (Jason), three sisters (Emma, Lori, and Allison), and two brothers (Emmitt and Will) are all normal. John’s father (Jim), mother (Brenda), and brother (Parker) are all normal, but his sister (Demi) has sickle cell. John’s maternal grandparents (Bill and Lonna) are carriers. Barbara’s paternal grandparents (Kevin and Martha) are all normal. make an pedigree
Barbara and John have two daughters (Madison and Kelly), and one son (Mike), all have normal red blood cells. Their other son (Chase) has been diagnosed with sickle cell. Barbara recently gave birth to another son (Barry) who also has been diagnosed with sickle cell. Barbara’s mother (Beth) has sickle cell, but her father (Jason), three sisters (Emma, Lori, and Allison), and two brothers (Emmitt and Will) are all normal. John’s father (Jim), mother (Brenda), and brother (Parker) are all normal, but his sister (Demi) has sickle cell. John’s maternal grandparents (Bill and Lonna) are carriers. Barbara’s paternal grandparents (Kevin and Martha) are all normal Paternal = a person’s dad’s side of the family Maternal = a person’s mom’s side of the family 1. Draw a pedigree to show how this trait could affect this family within each generation 2. Shade all individuals affected with the disorder. Half shade all carriers. 3. Assign genotypes to every individual. Use Punnett squares to…
Sickle cell anemia is a genetically inherited autosomal recessive trait in which results in a condition that there are not enough healthy red blood cells to carry oxygen throughout the body due to the production of red blood cells that are sickle shaped. The frequency of the sickle cell condition is as high as 10% in Central Africa compared to 0.5% in the United States. Calculate the frequency of the normal and carries of the sickle cell condition.
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