Tito Vezio Zapparoli 1885 1943 was an Italian agronomist and plant breeding plant breeder . After graduating in agriculture , he studied the agronomic and Morphology biology morphological characteristics of traditional varieties of maize . ref Granoturchi italiani . Quaderni Staz. Sper. di Maiscoltura. 15 pages. 1924 ref ref Alcuni granturchi selezionati a grande produzione . Italia Agricola. 76 3 32 1939 ref In October 1920 the Stazione sperimentale di maiscoltura Maize experimental station in Curno was established, ref Royal decrees R.D. n. 327 of March l 7, 1920 and n. 648 of May 6, 1920 ref where he was appointed director after working with the agronomist Ottavio Munerati, the director of the Beet experimental station in Rovigo , and a master of the applied agronomic research methodology. Zapparoli fostered genetic studies, breeding, and agronomic research, improving the varieties of maize cropped in northern and central Italy. He selected Zygosity isogenic lines from the best performing populations of maize, and used the output of such to establish synthetic varieties and to produce inter varieties crosses. He also developed the agronomic technique of matching the exigencies of the improved varieties. ref Il granoturco , Biblioteca agricola Paravia , Turin . VIII, 365 p. 1930 ref ref La coltivazione e la concimazione del granoturco . Arte della Stampa, Rome 1935 ref ref Appunti di maiscoltura, Federazione italiana dei consorzi agrari . Piacenza , 1930 ref ref with Arturo Marescalchi Il granoturco e la sua concimazione brevi note per gli agricoltori. Comitato nazionale per l incremento delle coltivazioni . Rome, 193? ref ref Il granoturco , REDA, Bologna Bolonia , 1937 ref Zapparoli was known as the Maize Man by farmers and colleagues, for his wide and deep understanding of crop issues and for his personal good mood, humbleness, practical skills and probity. He selected, multiplied, and spread the improved varieties Marano from the municipality of Marano Vicenti ... more details
Infobox disease Name Fabry disease ICD10 ICD10 E 75 2 e 70 ILDS E75.25 ICD9 ICD9 272.7 ICDO Image PBB Protein GLA image.jpg Caption Alpha galactosidase the protein that is deficient in Fabry disease . OMIM 301500 OMIM mult MedlinePlus eMedicineSubj neuro eMedicineTopic 579 eMedicine mult eMedicine2 derm 707 eMedicine2 ped 2888 DiseasesDB 4638 MeshID D000795 Fabry disease also known as Fabry s disease , Anderson Fabry disease , angiokeratoma corporis diffusum and alpha galactosidase A deficiency is a rare X linked inherited lysosomal storage disease , which can cause a wide range of systemic symptoms. ref name Andrews Cite book author James, William D. Berger, Timothy G. et al. title Andrews Diseases of the Skin clinical Dermatology publisher Saunders Elsevier location year 2006 page 538 isbn 0 7216 2921 0 oclc doi accessdate ref The disease is named after one of its discoverers, Johannes Fabry June 1, 1860 June 29, 1930 . ref WhoNamedIt synd 1761 ref Pathophysiology A deficiency of the enzyme alpha galactosidase alpha galactosidase A a GAL A, encoded by http www.genenames.org data hgnc data.php?match GLA GLA due to mutation causes a glycolipid known as globotriaosylceramide abbreviated as Gb3, GL 3, or ceramide trihexoside to accumulate within the blood vessel s, other tissues, and organs. ref name pmid16403380 Cite journal author Karen JK, Hale EK, Ma L title Angiokeratoma corporis diffusum Fabry disease journal Dermatol. Online J. volume 11 issue 4 pages 8 year 2005 pmid 16403380 doi url http dermatology.cdlib.org 114 NYU NYUtexts 0419054.html ref This accumulation leads to an impairment of their proper function. The DNA mutations which cause the disease are X linked recessive . The condition affects Zygosity hemizygous males i.e. all males , as well as Zygosity homozygous , and in many cases Zygosity heterozygous females. While males typically experience severe symptoms, women can range from being asymptomatic to having severe symptoms. This variability is though ... more details
Association AQHA now mandates testing for the Impressive mutation and will no longer register Zygosity homozygous H H foals as of 2007, with discussion of Zygosity heterozygous N H foals pending ... more details
UCDVGLDUN cite web url http www.vgl.ucdavis.edu services dunhorse.php title Dun Zygosity Test publisher ... sequence. ref name marklund2008 A the roan zygosity test is reliable for American Quarter Horse , American ... test is developed, the roan zygosity test may enable breeders to produce roans more reliably ... sickly, short lived foals from these roan parents, the researchers concluded that in the Zygosity homozygous ... more details
methods. Zygosity testing Currently there are many methods used to determine the zygosity status ... and the high resolution element not only allows the determination of Homozygous Homozygous homo and Zygosity ... more details
refimprove date September 2009 X linked dominant inheritance , sometimes referred to as X linked dominance , is a mode of genetics genetic inheritance by which a dominant gene is carried on the X chromosome . As an inheritance pattern, it is less common than the X linked recessive type. In medicine, X linked dominant inheritance indicates that a gene responsible for a genetic disorder is located on the X chromosome, and only one copy of the allele is sufficient to cause the disorder when inherited from a parent who has the disorder. X linked dominant traits do not necessarily affect males more than females unlike X linked recessive traits . The exact pattern of inheritance varies, depending on whether the father or the mother has the trait of interest. All daughters of an affected father will also be affected but none of his sons will be affected unless the mother is also affected . In addition, the mother of an affected son is also affected but not necessarily the other way round . Genetics As the X chromosome is one of the sex chromosome s the other being the Y chromosome , X linked inheritance is determined by the gender of the parent carrying a specific gene and can often seem complex. This is due to the fact that, typically, female s have two copies of the X chromosome, while male s have only one copy. The difference between Dominance genetics Dominant trait dominant and Dominance genetics Recessive recessive inheritance patterns also plays a role in determining the chances of a child inheriting an X linked disorder from their parentage. Males are normally Zygosity Hemizygous hemizygous for the X chromosome, having only one copy. As a result, X linked dominant disorders usually show higher expressivity in males than females. ref name hex91 cite pmid 2018074 ref Inheritance br clear all class wikitable border 1 cellpadding 2 cellspacing 0 align center width 400 align right valign bottom Image Xlink dominant mother.jpg thumb 175px align left valign bottom Image X ... more details
, the X chromosome gene locus is Polymorphism biology polymorphic for M and L allele s, rendering Zygosity Heterozygous heterozygous platyrrhine females with trichromatic vision, and Zygosity Homozygous ... more details
year 2007 pmid 17539369 issue 1 ref Zygosity of twins was determined either using parental questionnaires ... author Price, T. S. et al. title Infant zygosity can be assigned by parental report questionnaire ... more details
does, although perhaps to a slightly greater degree. A blue series bird Zygosity heterozygous for English Grey would have an appearance very similar to a Cobalt, maybe a little darker, and a bird Zygosity ... more details
sequence in only one of the two relevant chromosomes they are said to be zygosity heterozygous ... copy of the original gene i.e. they are zygosity homozygous for that allele . A detailed explanation ... more details
Dominance refers to alleles that fully manifest their phenotype when present in the zygosity heterozygous ... gene locus, and are described as zygosity hemizygous for these genes. The Y chromosome is much ... more details
. Three such violations are Inbreeding , which causes an increase in Zygosity homozygosity for all genes. Assortative mating , which causes an increase in Zygosity homozygosity only for those genes ... frequencies p sub 1 sub to p sub i sub math p 1 cdots p i 2 , math giving for all Zygosity homozygotes math f A i A i p i 2 , math and for all Zygosity heterozygotes math f A i A j 2p ip j , math ... more details
merge to Dominance genetics date October 2011 unreferenced date August 2011 In genetics , the term recessive gene refers to an allele that causes a phenotype visible or detectable characteristic that is only seen in a homozygous genotype an organism that has two copies of the same allele and never in a Zygosity Heterozygous heterozygous genotype . Every person has two copies of every gene on autosomal chromosomes, one from mother and one from father. If a genetic trait is recessive, a person needs to inherit two copies of the gene for the trait to be expressed. Thus, both parents have to be carriers of a recessive trait in order for a child to express that trait. If both parents are carriers, there is a 25 chance with each child to show the recessive trait. Thus if the parents are closely related in breeding the probability of both having inherited the same gene is increased and as a result the probability of the children showing the recessive trait is increased as well. The term recessive gene is part of the laws of Mendelian inheritance created by Gregor Mendel . Examples of recessive genes in Mendel s famous pea plant experiments include those that determine the color and shape of seed pods, and plant height. Allosomal recessive gene Allosomal recessive is a mode of inheritance of genetic traits located on the allosome s the sex determining chromosomes . Examples include the gene for haemophilia which is carried on the X chromosome. Diseases carried on the Y chromosome cannot be recessive. X chromosome diseases are recessive in females unless both of their X chromosomes have the gene. They are not recessive in males because males only have 1 X chromosome so there is not a non diseased version of the gene to default to. Autosomal recessive gene Image Autorecessive.svg thumb Autosomal recessive or autorecessive is a mode of inheritance of genetic traits located on the autosome s the 22 non sex determining chromosome s . In opposition to autosomal dominant trait, a ... more details
PBB geneid 1761 Doublesex and mab 3 related transcription factor 1 , also known as DMRT1 , is a protein which in humans is encoded by the DMRT1 gene . ref name entrez cite web title Entrez Gene DMRT1 doublesex and mab 3 related transcription factor 1 url http www.ncbi.nlm.nih.gov sites entrez?Db gene&Cmd ShowDetailView&TermToSearch 1761 accessdate ref ref name pmid9490411 cite journal author Raymond CS, Shamu CE, Shen MM, Seifert KJ, Hirsch B, Hodgkin J, Zarkower D title Evidence for evolutionary conservation of sex determining genes journal Nature volume 391 issue 6668 pages 691 5 year 1998 month February pmid 9490411 doi 10.1038 35618 url ref ref name pmid10332030 cite journal author Raymond CS, Parker ED, Kettlewell JR, Brown LG, Page DC, Kusz K, Jaruzelska J, Reinberg Y, Flejter WL, Bardwell VJ, Hirsch B, Zarkower D title A region of human chromosome 9p required for testis development contains two genes related to known sexual regulators journal Hum. Mol. Genet. volume 8 issue 6 pages 989 96 year 1999 month June pmid 10332030 doi 10.1093 hmg 8.6.989 url ref Function This gene is found in a cluster with two other members of the gene family, having in common a zinc finger like DNA binding motif DM domain . The DM domain is an ancient, conserved component of the vertebrate sex determining pathway that is also a key regulator of male development in flies and nematodes, and is found to be the key sex determining factor in chickens. ref name pmid19710650 cite journal author Smith CA, Roeszler KN, Ohnesorg T, Cummins DM, Farlie PG, Doran TJ, Sinclair AH title The avian Z linked gene DMRT1 is required for male sex determination in the chicken journal Nature volume 461 issue 7261 pages 267 71 year 2009 month August pmid 19710650 doi 10.1038 nature08298 url ref This gene exhibits a gonad specific and sexually dimorphic expression pattern, just like the related doublesex gene in fruit flies. Defective testicular development and XY feminization occur when this gene is zygos ... more details
haemolytic anaemia this subtype has variable penetrance in some Pedigree chart pedigrees With Zygosity homozygosity or compound Zygosity heterozygosity depending on the exact mutations involved, the individual ... more details
1679 90 year 2005 pmid 15879434 doi 10.1093 hmg ddi176 ref when present in Zygosity Heterozygous heterozygotes . Patients who are Zygosity Homozygous homozygous for CaSR inactivating mutations have ... more details
advantage Heterosis the Zygosity Heterozygous heterozygote at a Locus genetics locus is fitter than either Zygosity Homozygous homozygote . ref name Ford 1975 ref name Smith 1998 rp 65 ref ... . An individual Zygosity Homozygous homozygous for the recessive sickle Hemoglobin haemoglobin ... homozygote and also the Zygosity Heterozygous heterozygote is normal though heterozygote individuals ... abolishes all expression of the gene in Red blood cell erythrocyte precursors. As a result, Zygosity ... of protection is conferred on Zygosity Heterozygous heterozygotes . The variant has apparently ... , so all Zygosity Heterozygous heterozygotes are healthy, but those who inherit two mutated genes ... level in the population despite the lethal or near lethal effects of the mutant Zygosity Homozygous ... more details
, Zygosity carriers of one copy of the allele weighed on average convert 1.2 kg lb more than people with no copies. Zygosity Carriers of two copies 16 of the subjects weighed convert 3 kg lb ... more details
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