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Lecture 10
Important Terms
8
Biology
Undergraduate 2
10/09/2011

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Term
Inborn Error of Metabolism
Definition
Affected individuals are homozygous for an autosomal recessive mutation for an enzyme
Term
Alkaptonuria
Definition
Human disease, urine turns black because they can't break down homogenitisic acid (HA), arthritis later in life
Term
Phenylketonuria
Definition
Autosomal recessive disorder, can't convert phenylalanine into tyrosine, mental retardation, slow growth, each death
Term
Albinism
Definition
Autosomal recessive disorder, can't convert DOPA into melanin producing pale white skin
Term
Sickle Cell Anemia
Definition
Human genetic disease caused by mutations in the protein Hemoglobin
Term
Cystic Fibrosis
Definition
Human genetic disease caused by mutations in the transmembrane conductance regulator
Term
Complementation
Definition
Alleles that express the same trait but are located on different genes at different loci
Term
Epistasis
Definition
The expression of one allele prevents or "masks" the expression of alleles at another locus
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