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CHANGES IN DNA CAN PRODUCE VARIATIONS
CHANGES IN DNA CAN PRODUCE VARIATIONS

... • Exposure to ultraviolet radiation, x-rays, & toxins can damage DNA. Any change in DNA is called a MUTATION. • Cells have different ways to repair mistakes (through enzymes). • If a mutation occurs in a gene (the 5% of DNA that’s the coding region) the wrong amino acid may be placed in the amino-ac ...
Glossary - Bioethics Advisory Committee
Glossary - Bioethics Advisory Committee

... A gene is the basic physical and functional unit of heredity. It is made up of DNA which carries instructions to make molecules of RNA and proteins. Every person has two copies of each gene, one inherited from each parent. Most genes are commonly found in all people, but about one percent of each pe ...
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... Smallest unit capable of all life functions Unicellular Organisms Entire organism is made up of one single cell Example:Bacteria and protists ...
2015 Test 3 study guide Bio 105
2015 Test 3 study guide Bio 105

... 6.11 Cancer part one • What is a mutagen • What is a carcinogen 6.12 Cancer part two • Loss of control of cell cycle can cause cancer • What is a proto-oncogene and what is a oncogene • Differences between benign tumor and malignant tumor • Treatments for cancer 6.13 Genetic engineering ...
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Genetic Red Flags
Genetic Red Flags

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Gene Expression - Pleasantville High School
Gene Expression - Pleasantville High School

... ◦ Sarcomas: _______ and muscular tissue. ◦ Lymphomas: solid tumors in blood-forming tissue and may cause ___________. ◦ Leukemia: uncontrolled production of _________ blood cells. ...
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Genetics Review File - Galena Park ISD Moodle

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PE #8 DNA Structure, Biotechnology, and its use in Conservation

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mei4 - University of Vermont
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B. Sc. Part- II (GENETICS)
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... Note: Question 1 will be compulsory and short answer type covering entire syllabi. Four questions will be set from each Section. Candidates have to answer five questions in all selecting two from each section. SECTION- A I. GENETIC MATERIAL: Evidence to prove that DNA is the genetic material, its st ...
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... Study of structure & function of genes • PAPULATION GENETICS: Study of genetic variations in human population and factors that determine allele frequency • DEVELOPMENTAL GENETICS – study of genetic control of development • CLINICAL GENETICS – Diagnosis of genetic disease and care of patient with suc ...
7.1 Solutions File
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AQA Biology - Centre of the Cell
AQA Biology - Centre of the Cell

... • the amino acid sequence of a polypeptide • a functional RNA (including ribosomal RNA and tRNAs). A gene occupies a fixed position, called a locus, on a particular DNA molecule. A sequence of three DNA bases, called a triplet, codes for a specific amino acid. The genetic code is universal, non-over ...
Chapter 13: Genetic Engineering
Chapter 13: Genetic Engineering

... opposite sites without overhangs. SmaI is an example of an enzyme that generates blunt ends ...
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Genetic engineering



Genetic engineering, also called genetic modification, is the direct manipulation of an organism's genome using biotechnology. It is therefore a set of technologies used to change the genetic makeup of cells, including the transfer of genes within and across species boundaries to produce improved or novel organisms. New DNA may be inserted in the host genome by first isolating and copying the genetic material of interest using molecular cloning methods to generate a DNA sequence, or by synthesizing the DNA, and then inserting this construct into the host organism. Genes may be removed, or ""knocked out"", using a nuclease. Gene targeting is a different technique that uses homologous recombination to change an endogenous gene, and can be used to delete a gene, remove exons, add a gene, or introduce point mutations.An organism that is generated through genetic engineering is considered to be a genetically modified organism (GMO). The first GMOs were bacteria generated in 1973 and GM mice in 1974. Insulin-producing bacteria were commercialized in 1982 and genetically modified food has been sold since 1994. Glofish, the first GMO designed as a pet, was first sold in the United States December in 2003.Genetic engineering techniques have been applied in numerous fields including research, agriculture, industrial biotechnology, and medicine. Enzymes used in laundry detergent and medicines such as insulin and human growth hormone are now manufactured in GM cells, experimental GM cell lines and GM animals such as mice or zebrafish are being used for research purposes, and genetically modified crops have been commercialized.
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