CH 1: Genetics as a Human Endeavor. I.Genes + How they Work A.Basics 1.Genetics: Scientific study of heredity 2.DNA: Primary carrier of genetic information.

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Presentation transcript:

CH 1: Genetics as a Human Endeavor

I.Genes + How they Work A.Basics 1.Genetics: Scientific study of heredity 2.DNA: Primary carrier of genetic information. a.Gene: A string of chemical building blocks in DNA. Sequence of neucleotides (ATCG) Codes for a protein (trait) 3.Genetic Code: The sequence of amino acids that encodes the info. for a.a. in a polypeptide chain.

A.Basics Cont. 4.Gregor Mendel: Father of modern genetics. a.Traits: an observable property of an organism. 1)Factors: The means by which traits are passed from generation to generation (genes)

II.Study of Genetics - studies made in 1 organism can be applied to other species. A.Transmissive Genetics: Studies passing of traits from parents to offspring. 1.Pedigree Analysis: A family tree chart that is used to track genetic traits in humans.Pedigree Analysis B.Cytogenetics: Using microscopes to study genetics by looking at chromosomes. 1.Karyotype: Pictures of a set of chromosomes in a cell that have been arranged in a standard order.Karyotype: C.Molecular Genetics: The study of genetic events at the biochemical level D.Population Genetics: Viewing frequency of genetic traits in a population.

III. Eugenics A.Goal: Improve population by selective breeding. 1.Immigration laws 2.Reproductive rights 3.Nazi Movement.

IV. History of Genetics A.Major events : Structure of DNA ’s recombinant DNA technology Isolate and manufacture DNA sequences t: Human Genome Project B.Future: ????