Human Genetic Disorders

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What do genetic counselors do?

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Genetic counselors help couples understand their chances of having a child with a particular genetic disorder.

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NGSS.HS-LS3-2

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What is a genetic disorder?

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A genetic disorder is an abnormal condition that a person inherits through genes or chromosomes.

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

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What is hemophilia?

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Hemophilia is a genetic disorder in which a person's blood clots very slowly or not at all.

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NGSS.HS-LS1-1

NGSS.HS-LS3-1

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What tools do doctors use to diagnose genetic disorders?

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Doctors use tools such as karyotypes to help diagnose genetic disorders.

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What protein is affected in sickle-cell disease?

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Sickle-cell disease affects hemoglobin, a protein in red blood cells that carries oxygen.

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NGSS.HS-LS1-1

NGSS.HS-LS3-2

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What is the role of chromosomes in genetic disorders?

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Chromosomes carry genes, and abnormalities in chromosomes can lead to genetic disorders.

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NGSS.HS-LS3-2

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What is cystic fibrosis?

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Cystic fibrosis is a genetic disorder that affects the lungs and digestive system, causing severe respiratory and digestive problems.

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NGSS.HS-LS1-1

NGSS.HS-LS3-2

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What is the significance of family history in genetic disorders?

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Family history can indicate the likelihood of inheriting genetic disorders, as many are passed down through generations.

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

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What is Down syndrome?

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Down syndrome is a genetic disorder caused by the presence of an extra chromosome 21, leading to developmental delays and physical features.

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

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How can genetic testing help individuals?

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Genetic testing can identify changes in chromosomes, genes, or proteins, helping individuals understand their risk for genetic disorders.