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Applied Genetics
Mrs. Janssen's Chapter 13 Applied Genetics Test
Question | Answer |
---|---|
What is it called when desired traits are selected & passed on to future generations? | selective breeding |
What is it called when parents with different forms of a trait crossed to produce offspring with specific traits? | hybridization |
What is it called when 2 closely related organisms are bred to pass on desired traits & eliminate undesired traits? | inbreeding |
What is it called when you cross an unknown genotype with a homozygous recessive to determine the unknown genotype? | test cross |
Manipulating the DNA of one organism to insert DNA from another organism | genetic engineering |
What is the total DNA present in the nucleus of each cell? | genome |
What are proteins that recognize, bind to, and cut DNA? | restriction enzymes |
What process uses an electrical current to separated DNA into fragments according to their size? | gel electrophoresis |
What is the new DNA molecule generated with DNA from different sources called? | recombinant DNA |
What is a circle of DNA called? | plasmid |
What is the enzyme that can join DNA fragments that have sticky ends? | DNA ligase |
What is the process where bacterial cells take up recombinant plasmid DNA? | transformation |
What is the process by which large numbers of identical recombinant DNA are produced? | cloning |
What is it called when DNA bases are identified and put in order? | DNA sequencing |
What is the process of making millions of copies of a DNA fragment? | polymerase chain reaction |
What is the use of genetic engineering to find solutions to problems? | biotechnology |
What are genetically engineered organisms that have a gene inserted from another organism? | transgenic organisms |
What percent of all nucleotides in the human genome actually code for all the body's proteins? | 2% |
What percent of nucleotides in the human genome have no direct function? | 98% |
Approximately how many genes are still unidentified and their functions unknown? | 20,000-25,000 |
What is creating and maintaining database of biological information called? | bioinformatics |
What are slides or silicon chips spotted with DNA fragments? | DNA microarrays |
What are variations in the DNA sequence caused by altering a single nucleotide? | SNP's (single nucleotide polymorphism) |
What are regions of linked variations in the human genome? | haplotypes |
What is the name of the project that is creating a catalog of common genetic variations that occur in humans? | HapMap |
What is the study of how genetic inheritance affects the body’s response to drugs? | pharmacogenomics |
What is the process of correcting mutated genes that cause human disease? | gene therapy |
What is the study of an organism’s genome? | genomics |
What is the study & cataloging of the structure & function of proteins in the human body? | proteomics |
What are the primary information storage units? | genes |
What are the machines of a cell? | proteins |
What is produced when a gene is expressed? | protein |