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Genetics 16 - Protein Synthesis Transcription Translation
Genetics 16 - Protein Synthesis Transcription Translation

... Transcription is the first step in protein synthesis. With your partner, view the protein synthesis simulation which can be found at http://sepuplhs.org/high/sgi/teachers/genetics_act16_sim.html or on your teacher’s Edline links. ...
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Microbial Genetics - Austin Community College
Microbial Genetics - Austin Community College

... bases are then added to the template (parent) strand using an enzyme called polymerase. – DNA can only replicate in the 5’to 3’ direction. The reason is because the chemical group on 3’ side of the nucleotide acts like a hand that can grab onto the next nucleotide on its 5’side. – Since the DNA stra ...
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I) Why Genetics for Eye Care Practioners

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Genetic Mutations
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Genetics
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Genetics: The Science of Heredity
Genetics: The Science of Heredity

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... nucleotides instead of the two strands found in DNA 2. RNA nucleotides contain the fivecarbon sugar ribose rather than the sugar deoxyribose, which is found in DNA nucleotides 3. In addition to the A, G, and C nitrogen bases found in DNA, RNA nucleotides can have a nitrogen base called uracil (U) ...
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Title goes here

... correct • If GenBank record says the gene was manually annotated, the annotation must be correct • If GenBank record says gene B was manually annotated, and it has a bi-directional best BLAST hit to gene A with e-value of 1.0e-5, the annotation must be correct ...
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Short Questions

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DNA Replication
DNA Replication

... Proteins carry out the process of replication. DNA does not copy itself. Enzymes and other proteins do the actual work of replication. Here we will look at the process of replication in eukaryotes. The process is similar in prokaryotes. First, some enzymes pull apart, or unzip, the double helix to s ...
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Chapter 13 Mutation, DNA Repair, and Recombination

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Pre AP - Applications of Genetics Notes Incomplete dominance and

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Transcription and Translation

... changes are considered harmless. Mutations that affect cell growth cause cancer (uncontrollable cell division in the body.) Getting Technical: Gene Knockouts Scientists will sometimes deliberately cause genetic mutations in an organism. A gene knockout is a process in which a gene in an organism has ...
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Basic Genetics Notes

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TRANSFORMATION - WordPress.com

... to make large quantities of it. This is based on the natural function of a plasmid: to transfer genetic information vital to the survival of the bacteria. ...
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How many chromosomes are shown in a normal human karyotype?

... determined to be part of the same DNA sequence. Notice that the fragments are single stranded. Determine the single-stranded DNA sequence that the fragments below are part of. Explain your ...
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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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