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Review Questions - effinghamschools.com
Review Questions - effinghamschools.com

... In fruit flies, red eyes (R) are dominant over white eyes (r). • If you crossed a homozygous dominant with a heterozygous fly. What percent would have white eyes? What would be the genotypic ratio? ...
name period ______ date
name period ______ date

... 3. What is the name of the enzyme that breaks the nitrogen bases apart to get them ready for replication? 4. What is the name given to the point where replication starts on a DNA molecule? 5. How does the replicated daughter molecule of DNA compare to the parent molecule of DNA? 6. What would the co ...
DNA webquest!!
DNA webquest!!

... 3. What is the four-letter DNA alphabet and what are the special rules by which the alphabet pieces bond together? ...
DNA and Individuality
DNA and Individuality

... • Must occur in sex cells to be passed on • Not all mutations are bad (depends on environment) • Ultimate source of variation within a species!!!!!! – Take humans for instance….do we all look the same????????? ...
B5 5 a day - Science Revision
B5 5 a day - Science Revision

... You are provided with several plant shoots and a sample of auxin. Describe an experiment that you could carry out to show that auxin causes a shoot to bend. ...
MB206_fhs_int_013b_ST_Jan09
MB206_fhs_int_013b_ST_Jan09

... • Thus use machine to run and read the electrophoresis. • Capillary electrophoresis: the fragments are piped through a tiny glass-fiber capillary during the electrophoresis step, and they come out the far end in size-order. ...
Pre/Post Test
Pre/Post Test

... Bm:tedal Cell Prudtu:e~ Human Proleiu ...
Apple Molecular Biology: Animation 2
Apple Molecular Biology: Animation 2

... 1. Go to the Apple Genomics website at www.four-h.purdue.edu/apple_genomics 2. Click on the link Apple Molecular Biology. 3. Click on the link Cloning. 4. After reading the introduction click on the third and fourth animation to learn more about cloning. 5. Then complete the review questions on this ...
Gene Regulation
Gene Regulation

... maternal) grandsons[56] of Swedish men who were exposed during preadolescence to famine in the 19th century were less likely to die of cardiovascular disease. If food was plentiful, then diabetes mortality in the grandchildren increased, suggesting that this was a transgenerational epigenetic inheri ...
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Study Guide:

... Diversity CoDominance Incomplete Dominance Sex Determination Carrier Pedigree Blood Types DNA fingerprinting Ethics ...
Chapter 9
Chapter 9

Viruses as Pathogens in Bacterial Gene Regulation
Viruses as Pathogens in Bacterial Gene Regulation

... can be relocated• called transposons if they are larger segments • insertion segments are inverted repeats that act as boundaries that separate transposed genes » If the conjugation infers resistance to antibiotics it is renamed to Rfactor (resistance) ...
Rhesus Incompatibility
Rhesus Incompatibility

... is a test of maternal blood to determine the proportion of fetal cells present ( relying on their ability to resist denaturation by alcohol or acid ). It will allow calculation of the amount of extra anti-D immunoglobulin required should a large transfusion have occurred. In many countries , Rhesus- ...
Recombinant DNA technology.ppt [Compatibility Mode]
Recombinant DNA technology.ppt [Compatibility Mode]

... • Also called restriction enzymes • Occur naturally in bacteria • Hundreds are purified and available commercially • Named for bacterial genus, species, strain, and type ...
The Wild World of Biotechnology!! Applications Genetic
The Wild World of Biotechnology!! Applications Genetic

... Some method is needed to get the gene of interest into the cells of the organism we wish to transform e.g. plasmid vectors and gold particles or ...
DNA Replication
DNA Replication

... Genome = All of the genetic material (DNA) in a cell.  Prokaryotic cell has only one genome located in the nuclear area.  Eukaryotic cell has 2 genomes  Nuclear genome  Mitochondrial genome  If not specified, “genome” usually refers to the nuclear genome. ...
Genes and Evolution - Mad River Local Schools
Genes and Evolution - Mad River Local Schools

... ◦ New phenotype either “fits” or doesn’t “fit” with environment ◦ Those that fit best are more likely to reproduce and survive (natural selection) ...
cDNA libraries, Microarray Analysis
cDNA libraries, Microarray Analysis

... Studying Expression of Interacting Groups of Genes • Automation has allowed scientists to measure expression of thousands of genes at one time using DNA microarray assays • DNA microarray assays compare patterns of gene expression in different tissues, at different times, or under different conditi ...
Enzyme POGIL-PCR
Enzyme POGIL-PCR

... DNA polymerase from T. aquaticus (Taq polymerase) is used in PCR (polymerase chain reaction). PCR is a technique where millions of copies of a specific segment of DNA can be made from one original copy. IN this method, the target DNA molecule is subjected to temperatures over 95° C to make the doubl ...
CA Update from Dr. Beever 07-26-2010
CA Update from Dr. Beever 07-26-2010

... this region of the genome. Furthermore, the DNA sequence is highly repetitive in content and contained a large, nearly identical duplicated segment of the gene causing CA. On June 8, 2010 we finally completed the correct assembly of the DNA sequence. Using this DNA sequence we initiated the developm ...
Questions - Humble ISD
Questions - Humble ISD

... 1. What is the shape of DNA? Who determined this shape? 2. What biomolecule does DNA belong to? 3. What is the monomer of DNA. 4. What are the 3 parts of the monomer? 5. A single-ringed N-base is called _____ & includes ________ & _______ 6. A double-ringed N-base is called ______ & includes _______ ...
Document
Document

... Question: How do “new” genes arise? Duplications might allow for major mutation in the extra copy of the gene. Over time, mutations could result in a new function for the duplicated gene - essentially a new gene. Example: myoglobin and hemoglobin ...
Double helix- a double twist
Double helix- a double twist

... o Base-pair rules: A binds with T, C binds with G o What does it do (its function)? ...
dna methylation
dna methylation

... Silencing of repetitive sequences, pseudogenes... Inactivation of the 2nd X chromosome ...
dna methylation
dna methylation

... Silencing of repetitive sequences, pseudogenes... Inactivation of the 2nd X chromosome ...
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Cell-free fetal DNA

Cell-free fetal DNA (cffDNA) is fetal DNA circulating freely in the maternal blood stream. It can be sampled by venipuncture on the mother. Analysis of cffDNA provides a method of non-invasive prenatal diagnosis.cffDNA originates from the trophoblasts making up the placenta. It is estimated that 2-6% of the DNA in the maternal blood is fetal in origin. The fetal DNA is fragmented and makes its way into the maternal bloodstream via shedding of the placental microparticles into the maternal bloodstream (figure 1). Studies have shown that cffDNA can first be observed as early as 7 weeks gestation, and the amount of cffDNA increases as the pregnancy progresses. cffDNA diminishes quickly after the birth of the baby, so that it is no longer detectable in the maternal blood approximately 2 hours after birth. cffDNA is significantly smaller than the maternal DNA in the bloodstream, with fragments approximately 200bp in size. Many protocols to extract the fetal DNA from the maternal plasma use its size to distinguish it from the maternal DNA.Studies have looked at, and some even optimized, protocols for testing non-compatible RhD factors, sex determination for X-linked genetic disorders and testing for single gene disorders. Current studies are now looking at determining aneuploidies in the developing fetus. These protocols can be done earlier than the current prenatal testing methods, and have no risk of spontaneous abortion, unlike current prenatal testing methods. Non-invasive prenatal diagnosis (NIPD) has been implemented in the UK and parts of the US; it has clear benefits above the standard tests of chorionic villi sample (CVS) and amniocentesis which have procedure-related miscarriage risks of about 1 in 100 pregnancies and 1 in 200 pregnancies, respectively.As a method of prenatal diagnosis, cell-free fetal DNA techniques share the same ethical and practical issues, such as the possibility of prenatal sex discernment and sex selection.
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