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Topic: Recombinant frequency

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Genetic recombination

Centimorgan

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	Linkage maps
		The frequency of recombinants for the Drosophila autosomal genes that we studied (pr and vg) was 10.7 percent of the progeny
		Sturtevant suggested that we can use the percentage of recombinants as a quantitative index of the linear distance between two genes on a genetic map, or linkage map, as it is sometimes called.
		The unit of mapping (1 m.u.) is defined as a recombinant frequency of 1 percent.
	www.ncbi.nlm.nih.gov /books/bv.fcgi?rid=iga.section.899 (1159 words)

	BioMed Central \| Full text \| Assessing the contribution of the herpes simplex virus DNA polymerase to spontaneous ...
		To assess the direct contribution of polymerases from virus types 1 and 2 to mutation frequency, recombinant HSV expressing a type 2 Pol within a type 1 viral genome were generated by marker transfer and examined along with a panel of other HSV isolates in two mutagenesis assays.
		Recombinant virus was plaque purified to homogeneity in the presence of X-Gal.
		The relative mutation frequency for the panel of viruses tested in the non-HSV DNA mutagenesis assay are presented in Table 2.
	www.biomedcentral.com /1471-2334/2/7 (4576 words)

	Lecture 11: Variations and Extensions of Mendel's laws
		When genes are linked, and there is recombination, the frequencies are different.
		Recombinant gametes show the "new" arrangement that results from crossing over between the two genes.
		Thus, a recombinant frequency of 1% determines the two genes to be1 m.u.
	www.colorado.edu /mcdb/MCDB1041/class10.html (764 words)

	LINKAGE MAPPING (Site not responding. Last check: )
		Note that the two parental types are produced with equal frequency as are the recombinant types.
		Recombination frequency between genes increases with increasing distance between genes and can be used to create genetic maps of chromosomes.
		Where near 0% recombination frequency means the genes are very tightly linked, and 50% recombination frequency means the genes are entirely unlinked.
	web.mit.edu /esgbio/www/mg/linkage.html (1342 words)

	Recombinant frequency (Site not responding. Last check: )
		Recombinant frequency is a measure of genetic linkage and is used in the creation of a genetic map.
		The unit of recombinant frequency is termed the centimorgan in honor of geneticist Thomas Hunt Morgan.
		A centimorgan is a recombinant frequency of 1 percent.
	www.punweb.com /article/Recombinant_frequency (575 words)

	Encyclopedia :: encyclopedia : Recombinant frequency (Site not responding. Last check: )
		In genetics, recombinant frequency is the frequency, or chance, that crossing-over will take place between two loci (or genes) during meiosis.
		The recombinant frequency will always be 50 percent when two genes are located on different chromosomes.
		According to Mendelian genetics, the expected phenotypes would occur in a 9:3:3:1 ratio of PL:Pl:pL:pl. To their surprise, they observed an increased frequency of PL and pl and a decreased frequency of Pl and pL (see chart below).
	www.hallencyclopedia.com /topic/Recombinant_frequency.html (587 words)

	BIOL2250: Genetics
		Meiotic recombination is the process by with a haploid product is generated that is genotypically different from the original haploid cells that gave rise to the original diploid cell.
		Recombination rates of 50% can be achieved by genes that reside on different chromosomes simply by independent assortment.
		A recombinant frequency of 50% generally means that the genes are unlinked on separate chromosomes.
	www.mun.ca /biology/desmid/brian/BIOL2250/Week_Four/1GeneW4.html (691 words)

	Engelward lab
		We compared the recombination rates in adult and embryonic tissue and found that embryonic cells are ~10X more likely to undergo homologous recombination compared to cells from adult tissues.
		Chronic exposure of FYDR Recombomice to radiation revealed that the frequency of recombinant cells is lower in chronically exposed animals compared to controls.
		Using cells that carry a direct repeat recombination substrate, we have been studying the effects of a cancer chemotherapeutic agent on persistent and bystander-induced homologous recombination.
	web.mit.edu /engelward-lab/research.htm (742 words)

	[No title] (Site not responding. Last check: )
		One possibility is that the recombination occurred during reverse transcription; for example, at the completion of synthesis of the VNBJ2 plus strand DNA, transfer of the 3' OH to the VL30 genome could allow further elongation on the VL30 as template.
		The appearance of these integrated recombinant proviruses highlights the ability of the retroviral DNA to become joined with the host genome even when the normal integration machinery is inactivated.
		Recombinant proviruses containing VL30 sequences have also been detected recently in insertional activations of proto-oncogenes, suggesting that these elements may enhance insertion at particular sites or expression of nearby genes (32).
	www.abisource.com /~uwog/libwpd-regression/testset/WP1/JM4_final-Virology_Short.wpd (2692 words)

	Genetic recombination - Definition, explanation
		Genetic recombination is the process by which the combination of genes in an organism's offspring becomes different from the combination of genes in that organism.
		Recombination is the mechanism by which organisms avoid Muller's ratchet.
		This is because recombination is greatly influenced by the proximity of one gene to another.
	www.calsky.com /lexikon/en/txt/g/ge/genetic_recombination.php (1202 words)

	www.GeneticEngineering.org
		The acceleration of chromosome assignments is due to (1) a com-bination of improved and new techniques in chromosome sorting and band analysis, (2) data from family studies, and (3) the intro-duction of recombinant DNA technology.
		Genetic mapping resolution has been increased through the application of recombinant DNA technology, including in vitro radiation-induced chromosome fragmentation and cell fusions (joining human cells with those of other species to form hybrid cells) to create panels of cells with specific and varied human chromosomal components.
		Recombinant: Frequency of this event reflects the distance between genes for the marker M and HD.
	www.geneticengineering.org /dna1/11.html (868 words)

	Encyclopedia :: encyclopedia : Radio frequency (Site not responding. Last check: )
		Radio frequency, or RF, refers to that portion of the electromagnetic spectrum in which electromagnetic waves can be generated by alternating current fed to an antenna.
		Above 300 GHz, the absorption of electromagnetic radiation by Earth's atmosphere is so great that the atmosphere is effectively opaque to higher frequencies of electromagnetic radiation, until the atmosphere becomes transparent again in the so-called infrared and optical window frequency ranges.
		The ELF, SLF, ULF, and VLF bands overlap the AF (audio frequency) spectrum, which is approximately 20–20,000 Hz.
	www.hallencyclopedia.com /topic/Radio_frequency.html (283 words)

	American Bulldogs
		Allele frequency: the fraction of all the alleles of a gene in a population that are of one type.
		Recombination: the reciprocal exchange of portions of two homologous chromosomes (usually equivalent) during gamete formation.
		Recombinant frequency (RF): how often two linked genes are separated by recombination, generally expressed as a percentage of total progeny.
	www.11-peaks.com /american_bulldogs_genetic_definitions.shtml (852 words)

	Vaccination Guidelines - Vaccine Types
		The gene is then recombined with DNA of a vector (another bacteria or virus) which is allowed to grow and actually produce the protective antigenic protein.
		The vaccine is comprised of purified proteins recovered from the vector.
		The gene is then recombined with the DNA of a vector (a non-virulent virus) which is allowed to reproduce.
	www.dvmvac.com /VTypes.html (619 words)

	Affymax, Inc. - Hematide™
		One differentiator is that it has a novel amino acid sequence that is unrelated to erythropoietin or to any other known naturally-occurring human sequences.
		Anemia is a frequent and serious complication associated with a number of increasingly common and severe diseases, including cancer, CKD, and cardiovascular disease.
		ESA therapy has dramatically reduced the need for blood transfusions and the frequency and severity of anemia-associated morbidity, resulting in an improved quality of life for patients.
	www.affymax.com /pipeline_hematide.html (311 words)

	recombinant - OneLook Dictionary Search
		recombinant : Compact Oxford English Dictionary [home, info]
		Recombinant : National Immunization Program Glossary [home, info]
		Phrases that include recombinant: recombinant dna, recombinant frequency, recombinant fusion proteins, recombinant strain, recombinant vector, more...
	www.onelook.com /?w=recombinant (201 words)

	Hemophilia Village \| Welcome to Hemophilia Village
		Hemophilia Village is here for the hemophilia community: people with hemophilia, family and friends who care for them, and health care professionals who treat them.
		When you visit Hemophilia Village, you can learn about hemophilia and treatment for hemophilia with two recombinant clotting factors: ReFacto for hemophilia A and BeneFIX for hemophilia B. Find out about helpful programs, services, organizations, and more.
		ReFacto is indicated for the control and prevention of hemorrhagic episodes and for surgical prophylaxis and for short-term routine prophylaxis to reduce the frequency of spontaneous bleeding episodes in patients with hemophilia A. The effect of regular routine prophylaxis on long-term morbidity and mortality is unknown.
	www.hemophiliavillage.com (425 words)

	Ordering - rPeptide \| a biotechnology company focused on recombinant peptides/proteins research.
		a biotechnology company focused on recombinant peptides/proteins research.
		Standing orders eliminate the burden of placing frequent repeat orders and ensure a constant supply of needed products.
		Standing orders will receive discount depending upon frequency and quantity.
	www.rpeptide.com /ordering.php (103 words)

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