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MedlinePlus Genetics provides information about the effects of genetic variation on human health. Learn about genetic conditions, genes, chromosomes, and more.

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- Caused by a chromosome defect causing intellectual impairment and physical abnormalities.
- Can be inherited in different ways as dominant or recessive depending on X or Y chromosome.
- Common characteristics are low muscle tone, upward slant to eyes, and small stature.
PEDIGREE ANALYSIS

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-Production of abnormally thick music which blocks the pancreatic ducts, intestines, and bronchi.
-The hereditary pattern is recessive.
Common characteristics are coughing up thick mucus, wheezing, getting sinus infections, and weight loss.
PEDIGREE ANALYSIS

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-Rare inherited disorder that progressively destroys nerve cells in the brain and spinal cord.
-The hereditary pattern is recessive
-Common characteristics are deafness, progressive blindness, decreased muscle strength, seizures, muscle stiffness, and increased startle response.
PEDIGREE ANALYSIS

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-medical condition in which the ability to clot blood is reduced, causing you to bleed severely even for a cut.
- It is an X linked recessive pattern.
-Common characteristics are swelling and large joints, painful headache, throwing up, and bleeding from any injury
PEDIGREE ANALYSIS

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i-rare inherited disorder that causes amino acid to build up in your body.
- The heredity pattern in recessive.
- Common characteristics are disability's, delayed development, hyperactivity, and poor bone strength.
PEDIGREE ANALYSIS

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This page was produced as an assignment for Genetics 677 , an undergraduate course at UW - Madison.

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-Heredity form of anemia which is a mutated form of hemoglobin that distorts the red blood cell into a crescent shape at low oxygen levels.
- The hereditary pattern is recessive.
- African Americans are mostly affected.
-Painful sweating of hands and feet.
PEDIGREE ANALYSIS

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This is a pedigree analysis of sickle cell disease in a family. The blue shaded symbols show people with sickle cell disease, and the open symbols show those without it.

What is the chance that Bob has sickle cell disease?

The chance is 50%. Bob's mother (Abi) has sickle cell disease but his father (Theo) does not. However, Theo must be a carrier because Bob's sister Carrie has the disease and it is caused by a recessive allele. Bob will inherit a sickle cell allele from his mother because she has two copies. There is a 50% chance of also inheriting Theo's sickle cell allele.

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BBC Bitesize - GCSE Biology (Single Science) - Genetic diagrams and pedigree analysis - Revision 6

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This is a pedigree analysis of sickle cell disease in a family. The blue shaded symbols show people with sickle cell disease, and the open symbols show those without it. What is the chance that Bob has sickle cell disease? The chance is 50%.

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-Inherited disease that causes the breakdown of of nerve cells in the brain.
-The hereditary pattern is dominant.
- The common characteristics are jerking, muscle problems/contractions, and slow or abnormal eye movements.
PEDIGREE ANALYSIS

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Late onset Huntington's disease is an autosomal dominant genetic disorder that affects the central nervous system of human beings. This disease typically shows up when a person reaches their mid...