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Genetics and Genetics and Genetic Genetic EngineeringEngineering
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termsterms
agar- porous gelatin agar- porous gelatin like material used as a like material used as a support matrix for support matrix for living cells in artificial living cells in artificial environments environments
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centrifugecentrifuge
device for separating device for separating substances on the substances on the basis of densitybasis of density
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clonesclones
organisms or cells of organisms or cells of nearly identical genetic nearly identical genetic makeup derived from a makeup derived from a single sourcesingle source
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complementarycomplementary
containing structures containing structures that match or bond that match or bond with related structureswith related structures
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electrophoresiselectrophoresis
technique used to technique used to separate migrating separate migrating molecules in an molecules in an electrical fieldelectrical field
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ExciseExcise
to remove a part by a to remove a part by a process similar to process similar to cuttingcutting
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ExpressionExpression
the appearance of a the appearance of a trait directed by a genetrait directed by a gene
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Genetic codeGenetic codea series of three a series of three nucleotide bases that nucleotide bases that determine the amino determine the amino acid order and the acid order and the proteins formed in cell proteins formed in cell reproductionreproduction
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Genetic Genetic EngineeringEngineering
technology involved in technology involved in removing, modifying, removing, modifying, or adding genes to a or adding genes to a DNA moleculeDNA molecule
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GeneticsGenetics
science dealing with science dealing with passage of traits from passage of traits from one generation to one generation to anotheranother
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HostHost
a cell or organism that a cell or organism that harbors another harbors another organism or DNA from organism or DNA from a foreign sourcea foreign source
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HybridHybrid
offspring or cell offspring or cell originating from originating from parents with differing parents with differing genetic makeupgenetic makeup
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LigaseLigase
enzyme used to join enzyme used to join two pieces of DNAtwo pieces of DNA
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Molecular weightMolecular weight
sum of the atomic sum of the atomic weights of all the weights of all the atoms in a moleculeatoms in a molecule
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MutationMutation
a heritable change in a heritable change in genetic makeupgenetic makeup
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NucleotidesNucleotides
building blocks of building blocks of nucleic acid composed nucleic acid composed of a sugar, a phosphate of a sugar, a phosphate and a nitrogenous baseand a nitrogenous base
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PlasmidPlasmid
a small, usually a small, usually circular, piece of DNA circular, piece of DNA that is separate from that is separate from the chromosomal DNAthe chromosomal DNA
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PolymerasePolymerase
an enzyme that joins an enzyme that joins nucleotides to make nucleotides to make nucleic acidnucleic acid
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Recombinant Recombinant DNADNA
DNA that has been DNA that has been altered by genetic altered by genetic engineeringengineering
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Restriction Restriction enzymeenzyme
restriction restriction endonucleaseendonuclease
enzyme that cuts DNA enzyme that cuts DNA strands at specific sitesstrands at specific sites
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sequencesequence
order of nucleotides or order of nucleotides or amino acidsamino acids
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templatetemplate
a pattern used for a pattern used for developing a developing a complementary complementary structurestructure
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traittrait
a characteristic a characteristic resulting from gene resulting from gene expressionexpression
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transformtransform
to change the genetic to change the genetic makeup of an makeup of an organism by alteration organism by alteration of the DNAof the DNA
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vectorvector
an agent such as a an agent such as a plasmid used to plasmid used to transfer DNA into a transfer DNA into a host cellhost cell
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Living materialLiving material
Organism - unit of Organism - unit of living matter capable living matter capable of independent of independent function and function and reproductionreproduction
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Complex Complex OrganismOrganismhigher organismhigher organisman organism with cells, an organism with cells, tissues, and organs tissues, and organs arranged to function as a arranged to function as a single unitsingle unit
ex. Plants, animals, humansex. Plants, animals, humans
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OrganOrganarrangement of tissues arrangement of tissues which provides life support which provides life support function for an organismfunction for an organism
leaf is an organ that leaf is an organ that carries out respiration, carries out respiration, transpiration and ps.transpiration and ps.
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TissueTissue
arrangement of cells arrangement of cells with similar structures with similar structures in clusters or sheets for in clusters or sheets for specific function in an specific function in an organorgan
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CellCell
smallest structural unit smallest structural unit of living matter that is of living matter that is capable of carrying out capable of carrying out basic life processesbasic life processes
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Basic Cell Basic Cell structuresstructures
cell wall - protective cell wall - protective layer in plants that layer in plants that keeps the cell intactkeeps the cell intact
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cell membranecell membrane
delicate structure that delicate structure that surrounds the cellsurrounds the cell
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chloroplastschloroplasts
site of photosynthesis site of photosynthesis in plant cellsin plant cells
contain some DNAcontain some DNA
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CytoplasmCytoplasm
cell fluid containing all cell fluid containing all cell structurescell structures
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NucleusNucleus
control center of a cell control center of a cell contains most of the contains most of the DNADNA
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ChromosomesChromosomesstructures that are structures that are physical carriers of genesphysical carriers of genes
made p of DNA made p of DNA are located in cell are located in cell nucleusnucleus
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MitochondriaMitochondria
energy producing energy producing structures in the cell structures in the cell cytoplasm cytoplasm
contain some DNAcontain some DNA
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PlasmidPlasmid
extra chromosomal extra chromosomal piece of DNApiece of DNA
located in the cell located in the cell cytoplasmcytoplasm
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RibosomeRibosome
site where new site where new proteins are produced proteins are produced
result of genetic result of genetic expressionexpression
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Cell reproductionCell reproductionmitosis - occurs in body mitosis - occurs in body (somatic) cells(somatic) cells
increases by simple increases by simple divisiondivision
chromosomes remain chromosomes remain paired during cell divisionpaired during cell division
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meiosismeiosis
occurs in reproductive occurs in reproductive cells (gametes)cells (gametes)
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meiosismeiosisincreases by division into increases by division into single chromosomes and single chromosomes and recombination of male recombination of male and female cells to form and female cells to form a new individuala new individual
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meiosismeiosisone chromosome from one chromosome from each parent forms the each parent forms the new pairnew pair
each organism has a each organism has a specific number of paired specific number of paired chromosomeschromosomes
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Genetic Genetic engineeringengineering
technology involved in technology involved in removing, modifying, removing, modifying, or adding genes to a or adding genes to a DNA moleculeDNA molecule
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Genetic Genetic engineeringengineering
movement of a gene movement of a gene from one organism to from one organism to anotheranother
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Other namesOther namesrecombinant DNA recombinant DNA technologytechnology
recombinant DNA sciencerecombinant DNA sciencegene transfergene transfergene splicing gene gene splicing gene cloningcloning
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Naturally Naturally occurringoccurringalternations in the alternations in the genetic makeup of genetic makeup of plants and animals allow plants and animals allow them to respond to them to respond to changes in their changes in their environmentenvironment
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Naturally Naturally occurringoccurring
some bacteria and some bacteria and viruses change the viruses change the function of cells by function of cells by inserting their DNA into inserting their DNA into the DNA of the cellthe DNA of the cell
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Naturally Naturally occurringoccurring
natural selection natural selection ensures that the ensures that the adapted individual adapted individual leaves offspring for the leaves offspring for the next generationnext generation
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Scientific Gen Scientific Gen eng.eng.
Scientists have Scientists have developed the ability developed the ability to transfer genetic to transfer genetic material from one material from one organism to anotherorganism to another
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Scientific Gen Scientific Gen eng.eng.
Plasmids found in Plasmids found in some organisms can some organisms can be engineered to be engineered to accept DNA from other accept DNA from other sourcessources
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Scientific Gen Scientific Gen eng.eng.Restriction enzymes are used Restriction enzymes are used to cut the DNA at specific to cut the DNA at specific sitessites
cut ends of plasmid rings can cut ends of plasmid rings can accept pieces of DNA from accept pieces of DNA from other organismsother organisms
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Scientific Gen Scientific Gen eng.eng.The ability to cut and The ability to cut and splice DNA segments is splice DNA segments is providing many providing many opportunities for opportunities for changing the function of changing the function of organismsorganisms
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