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Caused by
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Alleles inherited from parents
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Genetic mutations
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Chromosomal damage
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Environmental factors
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X-linked traits
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Single-gene Disorders
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One gene is affected by a mutation that is passed through parents; can be x-linked, autosomal, dominant or recessive
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Complex Disorders
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More than one gene is affected by a mutation, not always passed through parents
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Chromosomal Disorders
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Chromosomes (or parts of) are mutated or missing, not always passes through parents
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Down Syndrome (trisomy 21)
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Turner Syndrome (monosomy X)
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Edward Syndrome (trisomy 18)
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Patau Syndrome (trisomy 13)
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Asthma
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Diabetes
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Hypertension
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Schizophrenia
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Autosome
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A chromosome (not a sex chromosome)
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Autosomal Disorders
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Diseases caused by genes on autosomes
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Autosomal Dominant
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Disorders that are passed from one parent (homozygous dominant or heterozygous)
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Autosomal Recessive
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Disorders that are passed from both parents (homozygous recessive)
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Huntington's Disease
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Neurological disorder; progressive degeneration of brain cells, muscle spasms, personality disorder
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Marfan Syndrome
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Inherited disorder; affects the body's connective tissue causing disproportionately long limbs, weakened aorta, and poor eyesight
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BRCA 1 & BRCA 2
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Inherited in autosomal dominant pattern; hereditary breast cancer,
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Cystic Fibrosis
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Mucus in bronchial tubes and pancreatic ducts; shortened lifespan
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Sickle-cell Anemia
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Mutated shape of red blood cells causing frequent blockages in blood vessels
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Tay-Sachs
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Degeneration of central nervous system occurring in children
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Y Chromosome
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Color blindness
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Hemophelia
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X Chromosome
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Barr body
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Cheatography n. The art of mapping complex subjects into clear, instantly navigable reference guides.
