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Is the Tiger a Copycat? A Phylogenetic Analysis Laboratory
Is the Tiger a Copycat? A Phylogenetic Analysis Laboratory

... COI - (P. tigris (P. uncia (P. leo, P. pardus))) CytB - (P. tigris (P. pardus (P. leo, P. uncia))) The apparent discrepancy between the COI phylogenetic tree and the research by Wei et al. is probably explained by the fact that the Chinese researchers used a much larger pool of genetic sequence data ...
Ch 20 Lecture
Ch 20 Lecture

Mitochondrial DNA Analysis
Mitochondrial DNA Analysis

... • Sperm donates only nucleus to zygote • Therefore, all mitochondria are inherited from mother only – No recombination – No paternal contribution ...
Evolution
Evolution

... -drug-resistant strains of bacteria & viruses -need for a new flu vaccine every year -chemical-resistant species of insects & weeds ...
Document
Document

Document
Document

Speciation
Speciation

A Tool for Editing the Genome: Supplemental
A Tool for Editing the Genome: Supplemental

... If a population of mosquitos is eradicated, a rainfall months later can bring it roaring back as eggs hatch. There is also evidence that some strains of this mosquito are developing pesticide resistance. In March 2015, scientists from Rockefeller University published a study showing that they were a ...
Lab - Protein Synthesis
Lab - Protein Synthesis

... Biology Lab Transcription & Translation Background: The coding sequence (5’  3’ “antisense”) of DNA below leads to the production of a specific protein. That makes it a gene. The gene was sequenced from samples taken from healthy human patients. As a genetic researcher you must first transcribe the ...
Chapter 19-Population Genetics and Speciation
Chapter 19-Population Genetics and Speciation

... Chapter 19-Population Genetics and Speciation -Population genetics: study of frequencies of alleles in a population, relative proportions of alternative alleles (emphasis on import of pop in evolution done by R.A.Fisher, Sewall Wright, J.B.S.Haldane) -Neo-Darwinism, The Modern Synthesis (J.S. Huxley ...
3 Intro to Restriction Enzymes
3 Intro to Restriction Enzymes

Have your DNA and Eat it Too!
Have your DNA and Eat it Too!

... 8. Carefully twist your DNA molecule so that it looks ...
Fruitful DNA Extraction
Fruitful DNA Extraction

... studying DNA molecules). Because DNA mutations accumulate over evolutionary time, the same gene in different individuals or species may be made up of slightly different DNA sequences. This sequence of nucleotide bases is called an organism’s genotype. This molecular data can be used to determine evo ...
Cooperative network dynamics
Cooperative network dynamics

... limits the number of species that can coexist (as tough competitive markets often tend towards monopoly), the nested cooperative models studied here reduce competition and allow the system to support more species, or higher biodiversity. This model prediction is supported by data from 56 plant–anima ...
Lecture 9
Lecture 9

Reversible codes and applications to DNA
Reversible codes and applications to DNA

... Recent studies show that DNA can storage data as a big digital memory and can be a good tool for error correction besides other applications. Both the form reverse and reversible-complement are well known properties of DNA. These two important properties that DNA enjoys are considered in the sets or ...
Forensic DNA Analysis
Forensic DNA Analysis

... Single-cell sensitivity because each cell contains ~1000 mitochondria = very high contamination risk! Heteroplasmy - more than one mtDNA type manifesting in different tissues in the same individual Lower power of discrimination - maternal relatives all share the same mtDNA ...
Edible DNA - iGEM 2013
Edible DNA - iGEM 2013

... The specific matching of the base pairs, A with T and C with G, provides a way for exact copies of DNA to be made. This process is called DNA replication. In DNA replication, the double helix ladder is untwisted and the two strands are separated by breaking the hydrogen bonds between the base pairs. ...
Human Genome Project
Human Genome Project

... sequence or gene is located – (antibody technology used allows labelling of more than one site on the same sample ) – Use of interphase chromosomes gives 50kbp resolution ...
DNA REPLICATION HANDOUT
DNA REPLICATION HANDOUT

... 1) Template strands: Original DNA strands that were ripped apart. 2) Replication Fork: Y-shaped region where new strands of DNA are elongated 3) Okazaki Fragments: Only found on the lagging strand. Since DNA is connected by base pairs, as the original strand “unzips” one of the templates is running ...
A R TI C
A R TI C

DNA notes
DNA notes

... Outline: Key points on DNA Structure and Replication A) DNA is a double helix molecule • The two strands are held together by hydrogen bonds between the base pairs A=T (2 bonds) and G=C (3 bonds) • The base pairs, like the steps on a spiral staircase, extend in to the center of the molecule • The "f ...
File - MRS. WILSON Science
File - MRS. WILSON Science

... of replication. The double helix unzips in both directions along the strand. Eukaryotic chromosomes are very long, so they have many origins of replication to help speed the process. Other proteins hold the two strands apart. • The unzipping exposes the bases on the DNA strands and enables free-floa ...
A. Overview - eweb.furman.edu
A. Overview - eweb.furman.edu

evaluation of a one-step dna extraction method for “touch”
evaluation of a one-step dna extraction method for “touch”

... Due to advances in DNA typing technologies, it is possible to generate a DNA profile from touched objects or trace amounts of biological material (< 100pg). Therefore, it is important to ensure that sample collection and DNA purification methods recover the maximal amount of DNA from each sample. Th ...
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DNA barcoding

DNA barcoding is a taxonomic method that uses a short genetic marker in an organism's DNA to identify it as belonging to a particular species. It differs from molecular phylogeny in that the main goal is not to determine patterns of relationship but to identify an unknown sample in terms of a preexisting classification. Although barcodes are sometimes used in an effort to identify unknown species or assess whether species should be combined or separated, the utility of DNA barcoding for these purposes is subject to debate.The most commonly used barcode region, for animals, at least, is a segment of approximately 600 base pairs of the mitochondrial gene cytochrome oxidase I (COI).Applications include, for example, identifying plant leaves even when flowers or fruit are not available, identifying insect larvae (which may have fewer diagnostic characters than adults and are frequently less well-known), identifying the diet of an animal, based on its stomach contents or faeces and identifying products in commerce (for example, herbal supplements, wood, or skins and other animal parts).
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