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Genetic Disorders

inherited disorders in NC Biology curriculum 2016

Huntington's Disease Rare dominant allele, breakdown of certain areas of the brain, onset of disease between 30-50, uncontrolled movements, neurological damage
Phenylketonuria (PKU) Recessive disorder, lack enzyme that converts phenylalanine to a different amino acid, causes mental retardation, controlled by diet
Down Syndrome Trisomy 21, mental retardation, heart defects, distinctive physical features like extra folds in upper eyelids and short stature
Hemophilia X-linked recessive disorder; causes blood to slowly clot or not clot at all
Tay-Sachs Disease Recessive disorder of central nervous system; fatal in early childhood, sluggish behavior, convulsions, blindness
Duchenne Muscular Dystrophy X-linked recessive disorder; degeneration of muscles, progressive muscle weakness, inability to walk, eventually leads to death
Cystic Fibrosis Recessive; formation and accumulation of thick mucus in the lungs and digestive tract
Sickle Cell Anemia Codominant; red blood cells misshapened, blocks small vessels, reduces oxygen transport, tissue damage and pain
Turner Syndrome Monosomy; female who lacks an X chromosome (XO), short stature, wide broad chest, webbed neck
Colorblindess X-linked recessive disorder; inability to distinguish between certain colors; most common form is red-green
Created by: MunkeMa



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