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Dowling College: ASC 128
Dr. Christian Perring
Ethics in the New Genetic Era
First Test: Here is what you need to know.
You may bring in to the test a 3"x5" index card, prepared in your own
handwriting, containing any information you like.
Part 1. The Science of Genetics
Terms you need to understand and be able to define
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breast cancer gene
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cancer
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carrier
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cell
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cell division
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chromosomes
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DNA
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DNA-fingerprinting
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dominant trait
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Down Syndrome
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eugenics
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gene
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genetic counseling
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genetic linkage
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genetic screening
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genome
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genotype
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germ-line gene therapy
Huntington disease
mutation
oncogene
oncologist
protein
recessive trait
reductionism
sex chromosome
sickle-cell anemia
somatic gene therapy
telomerase (aging) genes
Tay-Sachs disease
tumor suppressor gene
virus
X chromosome
Y chromosome
zygote
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You need to know about the Human Genome Project and the National
Center for Human Genome Research. In particular, you need to know,
about each institution,
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when it was formed,
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why it was created,
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how it is funded,
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what its strategy is, and
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the main ethical and legal issues it investigates.
Basic genetic principles
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Genes: the units of heredity
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DNA: the hereditary material, composed of sugar, phosphate, and nitrogenous
bases and shaped in a double helix
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Chromosomes: the packages of genes
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Cell division: how the body grows
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DNS, RNA, Protein: the central dogma
Classification of genetic disorders
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Autosomal dominant
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fifty percent chance for recurrence
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variable expression among family members
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reduced penetrance
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Autosomal recessive
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more common among certain ethnic groups and in the presence of genetic
relatedness
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25% chance for an affected child; 50% chance for carrier children; 25%
for child without gene
Chromosomal genetic conditions
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extra or missing chromosomes (e.g. Down syndrome)
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effects on mental or physical development
Cancer
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a genetic disease at the cellular level
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not always inherited
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a multistep process
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characterized by immortalization, transformation of cells, and metastasis
Alcoholism (Living with Our Genes, pp. 140-145)
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Alcoholism runs in families, but it is not all genetic
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Adoption study showing genetic influence
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Cloninger's division of alcoholics into Type I and Type II
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Genes influence the body's tolerance of alcohol