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Advances in Genetics
Advances in Genetics

... • Genetically Modified Organism(GMO): An organism that has recombinant DNA. ...
BIL 250 - Knockout Mouse
BIL 250 - Knockout Mouse

... It is inactivated via insertion of a known gene (the one used in the example here confer resistance to neomycin, which is lethal to cells not carrying the neor gene) The vector also is given another marker, this one called "tk", which makes any cell carrying it lethally sensitive to the drug gancicl ...
Karyotype Lab File
Karyotype Lab File

... 5. Different species have different numbers of chromosomes. For example, a dog has 78 chromosomes in each cell and a cat has 38. Could different species such as these mate and produce fertile offspring? Why or why not? ...
MOLECULAR RADIOBIOLOGY OF THE ANIMALS GENES
MOLECULAR RADIOBIOLOGY OF THE ANIMALS GENES

... mutation rates for these radiations (0.3 – 0.6 and 0.7 – 0.9 x 10-7 /locus /rad for γ-rays and neutrons, respectively, in range of the doses studied) [3], so described here our qualitative data show a close molecular nature of mutational changes induced by radiations under study among which a small ...
Classical Genetics
Classical Genetics

... Prim rose). Gene mutations (Point mutations) affect the genes. It may be Deletion (removal of bases), Addition or Insertion and Substitution (replacement of one base by another one). Substitution may be Transition (Purine-Purine or Pyrimidine-Pyrimidine change) or Tranversion (PurinePyrimidine chang ...
Gene Therapy
Gene Therapy

...  Delivery of naked DNA for preventative vaccination against infectious diseases.  Naked DNA delivery of genes for cardiovascular disorders.  AAV delivery for chronic single gene disorders such as hemophilia. Human hereditary diseases: SCID (severe combined immunodeficiency) ADA 1990  Retroviral ...
The Story of pRB
The Story of pRB

... clone gene. e.g. isolation of cdc mutants and the retinoblastoma story 2. reverse genetics: clone the gene then make a mutant to cause phenotype b. reverse genetics in mice is possible 1. ES cells are pluripotent cells that you can grow in culture 2. Homologous recombination is used to knock out a g ...
retinitis pigmentosa research advances
retinitis pigmentosa research advances

... Retinitis Pigmentosa: Research Advances pigmentosa, because it works independently of the underlying disease-causing genetic defect. The collaboration’s goal is to move the gene therapy into a clinical trial within three years. ...
Gene therapy attempts to treat genetic diseases at the - e
Gene therapy attempts to treat genetic diseases at the - e

... A brief history of gene therapy Gene therapy attempts to treat genetic diseases at the molecular level by correcting what is wrong with defective genes. Clinical research into gene therapy’s safety and effectiveness has just begun. No one knows if gene therapy will work, or for what diseases. If gen ...
4th Edition CHAPTER 16 1. The advantages of biological over
4th Edition CHAPTER 16 1. The advantages of biological over

... 1. The advantages of biological over chemical insecticides is that organophosphates and chlorinated hydrocarbons have long-term and dramatic side effects on animals (i.e. low specificity). Biological insecticides are usually highly specific but they have low potency. 3. Bt toxin is not toxic to huma ...
Lecture 7
Lecture 7

... 30,000 - 40,000 protein-coding genes. The coding regions make up less than 5% of the genome (the function of the remaining DNA is not clear). Changes of hereditary material can result in obvious physical defects or progressive deterioration in individuals with inborn errors of metabolism. The branch ...
Gene therapy attempts to treat genetic diseases at the molecular
Gene therapy attempts to treat genetic diseases at the molecular

... A four-year old girl became the first gene therapy patient on September 14, 1990 at the NIH Clinical Center. She has adenosine deaminase (ADA) deficiency, a genetic disease which leaves her defenseless against infections. White blood cells were taken from her, and the normal genes for making adenosi ...
Animal Development and Homeotic Genes
Animal Development and Homeotic Genes

... 2. When the embryo is developing, there are proteins concentrated at different places. These proteins (transcription factors) turn on specific __________________ __________________ needed for the next stage of ...
Honors Bio Genetics Exam Retake Study Guide
Honors Bio Genetics Exam Retake Study Guide

... 9. If R = round seed and r = wrinkled seed and P = purple flower and p = white flower show the cross of one plant heterozygous for both traits with a plant heterozygous for seed shape but has white flowers. Show the phenotype ratios (fractions fine) for the F1. Objective #4-“special cases” 10. Pleio ...
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group_presentation

... • Since the Huntingtin protein is found in most neurons throughout the brain, these neurons become infected and start a process of cell death. Once enough cells die within the brain, Huntington’s disease occurs. • Symptoms: Loss of facial expression (called "masks in movement") or exaggerated facial ...
4_Hereditary Disorders - V14-Study
4_Hereditary Disorders - V14-Study

...  DNA modification should be reversible on passage through the opposite parental germline Mechanisms of imprinting - Site-specific DNA methylation  The methylation pattern of a gene correlates with and influences gene expression  Current thought is that gene expression decreases with increased me ...
Molecular neurobiology of disease
Molecular neurobiology of disease

...  symptoms: hard to initiate and maintain movements (bradykinesia) ...
Non-Mendelian Inheritance and Exceptions to Mendel`s Rules
Non-Mendelian Inheritance and Exceptions to Mendel`s Rules

... – Refers to cells that contain a population of mitochondria that are the same (ALL are normal, or ALL contain a mutation) • Heteroplasmy – Refers to cells that contain a mixture of mitochondria, some normal and some containing a mutation in the mtDNA molecule. – Heteroplasmy affects the penetrance a ...
Activation of cellular proto-oncogenes to oncogenes How was active
Activation of cellular proto-oncogenes to oncogenes How was active

... There are three primary mechanisms by which oncogene activation occurs: 1. Point Mutation- affects activity of the protein, typically increasing its activity, e.g Ras. 2. Amplification affects amount of oncoprotein by increasing transcription of the gene. 3. Chromosomal translocation-deregulation of ...
Chapter 19: Control of Gene Expression in Eukaryotes
Chapter 19: Control of Gene Expression in Eukaryotes

... 3.) What are microRNAs (miRNAs)? What post-transcriptional process are they involved in? What protein complex do miRNAs interact with during this process? 4.) What are the steps in the post-transcriptional regulatory process that miRNAs are involved in? 5.) Why is RNAi also referred to as gene knock ...
Human Genetics Notes
Human Genetics Notes

...  4. PKU- (Phenylketonuria) an autosomal recessive disorder in which the body is unable to use the essential amino acid phenylalanine because the enzyme phenylalanine hydroxylase is deficient.  Phenylalanine occurs in significant amounts in milk, eggs, and other common foods. The artificial sweeten ...
Identification of the Human Cellular myc Gene Product by Antibody
Identification of the Human Cellular myc Gene Product by Antibody

... Retroviruses code for oncogenes which are related to normal cellular genes. The oncogenes code for products which, according to their properties, can be classified into two groups, one group comprising those gene products which reside in the nucleus, like myb and myc, and the other, larger group rep ...
Karyotypes and Genetic Disorders
Karyotypes and Genetic Disorders

... defects. Individuals with cri du chat syndrome have language difficulties, delayed motor skill development, and mental retardation. Behavioral problems may also develop as the child matures. ...
DiseaseClinrevisionBhatiaZhaoChang 119.5 KB
DiseaseClinrevisionBhatiaZhaoChang 119.5 KB

... • In females, one X chromosome is knocked out and is called a Barr Body, as proposed by Lyon ...
HUMAN GENETICS ARCHITECTURE LEARNING OBJECTIVES
HUMAN GENETICS ARCHITECTURE LEARNING OBJECTIVES

... chromosome)—they are called "dominant" because a single copy—inherited from either parent—is enough to cause this trait to appear. This often means that one of the parents must also have the same trait, unless it has arisen due to a new mutation. Examples of autosomal dominant traits and disorders a ...
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Neuronal ceroid lipofuscinosis

Neuronal ceroid lipofuscinoses (NCL) is the general name for a family of at least eight genetically separate neurodegenerative disorders that result from excessive accumulation of lipopigments (lipofuscin) in the body's tissues. These lipopigments are made up of fats and proteins. Their name comes from the word stem lipo-, which is a variation on ""lipid"" or ""fat"", and from the term pigment, used because the substances take on a greenish-yellow color when viewed under an ultraviolet light microscope. These lipofuscin materials build up in neuronal cells and many organs, including the liver, spleen, myocardium, and kidneys.
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