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30 Cards in this Set
- Front
- Back
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400 BC
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hippocrates developed medicine based on empirical observations
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350 BC
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Aristotle wrote observations of natural world-men to ape-found of biology
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160 AD
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Galen extended Aristotle and Hippocrates work through careful and systematic anatomical studies-most influential physicians of antiquity
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1543
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Vesalius published book on human anatomy-foundation for modern medicine and biology
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1953
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Watson and Crick proposed structure of DNA
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1839
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Schleiden and Schwann proposed cell theory
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1628
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Harvey-role of heart in circulation
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1665
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hooke-discovered cells
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1673
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van-leeuwenhoek-invented powerful microscope to observe unicellular microorganisms
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1789
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jenner-vaccination against smallpox
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1859
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Darwin's theory of evolution
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1864
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pasteur proposed germ theory
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1866
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mendel theory of genetic inheritance
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1928
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Fleming discovered penicillin
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1963
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genetic code was deciphered
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1970
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restriction enzymes were discovered
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1973
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genetic engineering
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1977
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invention of DNA sequencing techniques
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1983
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Polymerase chair reaction was invented
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1990
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Gene therapy developed
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2000
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human genome mapped
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identical twins
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monozygotic 4 in 1000 births
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fraternal twins
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dizygotic 12 in 1000 births
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zygote
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fertilized egg
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diploid
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all body cells- 2 copies of genes-slight variations due to mutation
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haploid
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gametes-one copy of the gene (sperm & egg)
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meiosis
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mechanism of cell division one copy of every gene is distributed into each gamete
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sickle cell anemia
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abnormal hemoglobin protein
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Cystic Fibrosis
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abnormal allele of a gene encoding a protein normally involved in regulating chloride ion concentration in a cell
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tay sachs
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Abnormal allele of a gene encoding an enzyme that normally metabolizes fat molecules in the brain-fatal by age 3
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