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22 Cards in this Set
- Front
- Back
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Nondisjunction
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when there is a failure of the homologous chromosomes to seperate properly
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Polyploid
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having too many in number of chromosomes ex: 3 of the #1 chromosome
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Cystic Fibrosis
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recessive trait, white Americans, defective protein in plasma membranes, causes mucus to form in the lungs & digestive tract
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Tay Sachs
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recessive trait, central nrevous system, enzyme is absent that breaksdown lipids, common in Jewish Americans
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PKU
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recessive trait, absence of an enzyme that converts an amino acid, found in people with ancestors from Norway, Sweden, & Ireland
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Huntingtons
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dominant trait, fatal, nervous system, breakdown of certain areas inthe brain
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sickle cell anemia
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when the blood cell is shaped like a crescent moon
recessive trait, mostly Africian Americans |
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hemophilia
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when the blood fails to clot
recessive trait, X chromosome, mostly males, |
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Red-Green Colorblindness
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People can not tell the difference between red and green colors, recessive allele, found on the X chromosomes
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Down Syndrome
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3 of the #21 chromosome, varying degress of mental retardation
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PCR
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A process to replicate a sample of DNA
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Clones
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Exact genetic copies
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Genetic Engineering
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a faster & more reliable method for increasing the frequency of a specific allele
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Recombinant DNA
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made by connecting or recombing, fragments of DNA from different sources (species)
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Inbreeding
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the mating between two closely related individuals
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Testcross
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Crossing an unknown genotype individual with a known genotype to determine the geno of the unknown
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Restriction Enzymes
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bacterial proteins that have the ability to cut DNA at a specific place
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Humann Genome Project
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a project that was completed and mapped the entire human genome
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Gene Therapy
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a medical means of treatment of diseases, or genetic disorders
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Pedigrees
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A diagram used to show relationships and trace recessive alleles
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Squares are
Circles are |
males
females |
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Extra Credit Again!!
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5 pts. if you email me tonight
amorris@henry.k12.va.us Subject line should have "Happy Holidays!!" |
