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Pseudogene function: regulation of gene expression
Pseudogene function: regulation of gene expression

... that antisense transcription, fairly common for viruses and prokaryotes, not only occurs in eukaryotes, but also does so more commonly than previously supposed. Ever so gradually, cracks began to appear in the seemingly impregnable ‘pseudogenes are useless’ fortress. Consider, first of all, the disco ...
1 EXERCISE IV: Find all protein coding genes in P. falciparum that
1 EXERCISE IV: Find all protein coding genes in P. falciparum that

... EXERCISE  IV:  Find  all  protein  coding  genes  in  P.  falciparum  that  have  SNPs  in  the  region  1000  bp   upstream  of  the  gene’s  start  site.  The  SNPs  can  be  located  on  either  strand.  Only  include  SNPs  wi ...
W0=2, a stable aneuploid derivative of Candida
W0=2, a stable aneuploid derivative of Candida

... (Scherer & Magee, 1990). One is its lack of a sexual cycle; another is its diploid nature. The first precludes the use of classical genetic analysis to study the properties related to virulence and pathogenicity. The second makes molecular genetics much more cumbersome, since mutants made by classic ...
How far fish move is important to their conservation and management
How far fish move is important to their conservation and management

... of a species can provide information about both the biology and sustainability of harvest practices. One of the things that we can learn from patterns of genetic differences observed among samples of a species that are collected at multiple locations is how populations are distributed over a geograp ...
Integrons and the Origin of Antibiotic Resistance Gene Cassettes
Integrons and the Origin of Antibiotic Resistance Gene Cassettes

... of Xanthomonas and Vibrio SIs (Fig. 3). Once mobile, one can imagine that the subsequent harvesting of cassettes from various SI sources led to contemporary RIs, including the great diversity of attC sites associated with these gene cassettes. Two recent observations support this account of how RIs ...
U73_2013AbstractUrbanJ Abstract This honors thesis examines the
U73_2013AbstractUrbanJ Abstract This honors thesis examines the

... This honors thesis examines the history, present applications and the current issues of biological taxonomy, the study of classifying, identifying and naming organisms. The history portion examines the development of taxonomy through the works of many naturalists and biologists. One biologist in par ...
Problem Set 2
Problem Set 2

... 7. Do the following occur in meiosis I, meiosis II or mitosis? (Each blank may contain more than one answer. meiosis I a. At least one crossover per homologous pair can occur b. chromosomes line up singly along the metaphase plate ...
Expanded Carrier Screening Fact Sheet
Expanded Carrier Screening Fact Sheet

... by three external regulatory agencies: CLIA, CAP, and NYS CLEP. The latter accreditation is particularly noteworthy, as NYS holds genetic testing laboratories to the most rigorous validation standards. For reference, the CLIA license number is 05D1102604, the CAP accreditation number is 7519776 (AU- ...
Investigating cancer presentation notes(, 2.2
Investigating cancer presentation notes(, 2.2

... All cancers result from changes in the DNA sequence of our genome. These changes occur  throughout life because the genome within  our cells is exposed to mutagens like UV  radiation and accumulates mistakes during replication.  These changes result in a  progressive, subtle divergence of the DNA s ...
Biology
Biology

... i.e. Fruit flies have 8 chromosomes, four homologous pairs, 4 chromosomes from each parent Diploid: containing both sets of homologous chromosomes ...
genetic testing - NYU School of Medicine
genetic testing - NYU School of Medicine

... Today, most genetic testing is designed to search for mutations on one or a few genes, rather than scan the entire genome. For a handful of diseases, researchers have identified the chromosomal mutation or gene mutation that is associated with disease. For example, doctors and researchers know that ...
Document
Document

... Mendel’s Conclusions 2. Law of Independent Assortment The law of segregation followed one single trait at a time, such as flower color. What if two traits were followed? Two hypotheses were written and experimented on to determine if traits were: ...
Science
Science

... key terms: Embryological development, evolutionary tree, homologous structures 1. List what evidence fossils provide. 2. Describe the three kinds of biological evidence for evolution. 3. Explain how scientists use genetic data to determine relationships between organisms. 4. Relate the ancestry of d ...
Case Report Section
Case Report Section

... t(2;11)(q31;p15) translocation in all metaphases and trisomy 8 as a secondary abnormality in a subpopulation of cells. NUP98 gene rearrangement as a result of t(2;11)(q31;p15) is rare, described in only 8 patients (including the present one). This translocation resulting in NUP98-HOXD13 gene fusion ...
Sexyloop: Self-Reproduction, Evolution, and Sex in Cellular Automata
Sexyloop: Self-Reproduction, Evolution, and Sex in Cellular Automata

... which reproduced the fastest. We created two different models of self-reproducing loops with sex, Sexyloop M1 and M2, in order to study the possibility of sex in self-reproducing automata and to assess the impact of sex on the evolutionary process via comparing between the evoloop and the sexyloop v ...
AP Biology Study Guide
AP Biology Study Guide

... Explain how Mendel’s law of segregation describes the inheritance of a singlecharacteristic. Describe the genetic relationship between homologous chromosomes. Explain how Mendel’s law of independent assortment applies to a dihybrid cross.Illustrate this law with examples from Labrador retrievers and ...
Basic Genetics Problems File
Basic Genetics Problems File

... 1. Let's say that in seals, the gene for the length of the whiskers has two alleles. The dominant allele (L) codes long whiskers & the recessive allele (l) codes for short whiskers. Show how the following will be represented: Genotype ...
Name that Gene Project The National Center for Biotechnology
Name that Gene Project The National Center for Biotechnology

... term. It then compares your character string (nucleotide sequence or protein sequence) against all the sequences in the target database. The program uses rigorous statistics to identify statistically significant matches. EXERCISE 1: From the main BLAST page select Nucleotide BLAST. This brings up a ...
From Gene to Protein
From Gene to Protein

... function as enzymes and can splice RNA.   The discovery of ribozymes rendered obsolete the belief that all biological catalysts were proteins.   Three properties of RNA enable it to function as an enzyme: ...
Mitosis and Meiosis
Mitosis and Meiosis

... Meiosis and sex chromosomes  Sex chromosomes carry genes that determine sex (gender)  In humans, females have two X chromosomes. But human males have one X chromosome and one Y chromosome  During meiosis, one of each of the chromosome pairs ends up in a sex cell. Females have two X chromosomes i ...
Note: Alleles are alternative forms of a, gene which occupies a
Note: Alleles are alternative forms of a, gene which occupies a

... having an affected son? There is a 50% chance that Peter has inherited the recessive PKU allele from his parents. This would make him a carrier. (1) (f) If Jane had been normal, what are the possible genotypes of the grandparents? If Jane had been normal, the grandparents' genotypes could be (i) bot ...
CH 16-17: DNA, RNA & PROTEINS
CH 16-17: DNA, RNA & PROTEINS

... SRF functions as a "dimer" composed of two identical subunits. The SRF dimer works as a complex, in cooperation with other associated factors to help control gene expression. The number and type of SRF-associated factors determines which genes are expressed, where they are expressed, and when they a ...
Histone Modifications
Histone Modifications

... Normalization by the ration of total intensities. Coefficient of variation < 0.5 between replicate experiment were counted • End up with 2206 IGR, 2403 ORF • Data were again normalized over the 11 sites per histone ...
myotonia - New Forest Pony Breeding and Cattle Society
myotonia - New Forest Pony Breeding and Cattle Society

... In December 2011 the Dutch New Forest Pony Studbook Society informed the Society that two Dutch New Forest foals had been diagnosed with myotonia by the University of Utrecht. A specialised research laboratory in Switzerland had been asked to carry out hereditary testing and it was established that ...
positionalCloning15
positionalCloning15

... • Identify more markers and do more high-res mapping Key point = continually refine boundaries by recombination • Look in genome for potential candidates What’s nearby in genome? . . . a [very good] MODEL of reality No luck in genome sequence? (rare) misassembly or gaps • conserved synteny with othe ...
< 1 ... 650 651 652 653 654 655 656 657 658 ... 1937 >

Microevolution

Microevolution is the change in allele frequencies that occur over time within a population. This change is due to four different processes: mutation, selection (natural and artificial), gene flow, and genetic drift. This change happens over a relatively short (in evolutionary terms) amount of time compared to the changes termed 'macroevolution' which is where greater differences in the population occur.Population genetics is the branch of biology that provides the mathematical structure for the study of the process of microevolution. Ecological genetics concerns itself with observing microevolution in the wild. Typically, observable instances of evolution are examples of microevolution; for example, bacterial strains that have antibiotic resistance.Microevolution over time leads to speciation or the appearance of novel structure, sometimes classified as macroevolution. Macro and microevolution describe fundamentally identical processes on different scales.
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