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Chapter 2 ; 22 terms

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Environment   The surroundings or conditions in which a person, animal, or plant lives or operates.  
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Plant Breeding   Plant breeding is the art and science of changing the genetics of plants in order to produce desired characteristics  
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Enzyme   A substance produced by a living organism that acts as a catalyst to bring about a specific biochemical reaction.  
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Renin   An enzyme secreted by and stored in the kidneys that promotes the production of the protein angiotensin.  
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Fermentation   The chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat.  
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Yeast   A microscopic fungus consisting of single oval cells that reproduce by budding, and are capable of converting sugar into alcohol and carbon dioxide.  
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Hereditary   Conferred by or based on inheritance.  
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Law of Segregation   Members of a pair of homologous chromosomes separate during the formation of gametes and are distributed to different gametes so that every gamete receives only one member of the pair  
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Law of Independent Assortment   Each member of a pair of homologous chromosomes separates independently of the members of other pairs so the results are random  
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Cells   The smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane. Microscopic organisms typically consist of a single cell, which is either eukaryotic or prokaryotic.  
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Vaccine   A substance used to stimulate the production of antibodies and provide immunity against one or several diseases.  
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Antibiotic   A medicine (such as penicillin or its derivatives) that inhibits the growth of or destroys microorganisms  
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Artificial Insemination   The injection of semen into the vagina or uterus other than by sexual intercourse.  
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Embryo Transfer   Embryo transfer refers to a step in the process of assisted reproduction in which embryos are placed into the uterus of a female with the intent to establish a pregnancy.  
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Genetic Code   The nucleotide triplets of DNA and RNA molecules that carry genetic information in living cells.  
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Vertical Gene Transfer   Reproduction (or procreation) is the biological process by which new "offspring" individual organisms are produced from their "parents"  
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DNA   Deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.  
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Double Helix   A pair of parallel helices intertwined about a common axis, esp. that in the structure of the DNA molecule.  
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Genetic Engineering   The deliberate modification of the characteristics of an organism by manipulating its genetic material.  
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Horizontal Gene Transfer   Horizontal gene transfer (HGT) refers to the transfer of genes between organisms in a manner other than traditional reproduction.  
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Gene Splicing   Genetic engineering: the technology of preparing recombinant DNA in vitro by cutting up DNA molecules and splicing together fragments from more than one organism  
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Created by: ChrisCooley
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