• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
View PDF - OSU Biochemistry and Molecular Biology
View PDF - OSU Biochemistry and Molecular Biology

... required for appendage formation, encodes a homeobox transcription factor and is one of the high-level executives regulated by Hox proteins. The area of Dll expression in the embryo (shown as grey patches) corresponds to sites where in the course of development imaginal discs and, subsequently, appe ...
org.Mm.eg.db
org.Mm.eg.db

... assigned in the literature, users are cautioned that this map may produce multiple matching results for a single gene symbol. Users should map back from the entrez gene IDs produced to determine which result is the one they want when this happens. Because of this problem with redundant assigment of ...
Genome-Wide Association Mapping Reveals Novel QTL for
Genome-Wide Association Mapping Reveals Novel QTL for

... race-specific resistance in a gene-for-gene manner, and only a few of them, such as Lr34, Lr46, and Lr68, confer race-nonspecific resistance. Race-specific Lr genes provide high levels of resistance to specific races and have been widely used in wheat breeding. However, 40 to 60 Pt races are detecte ...
Chapter 1
Chapter 1

... • Mitosis is the process by which each chromosome in the cell’s nucleus duplicates itself. • Meiosis is the process by which cells divide into gametes (testes/sperm in males, ovaries/eggs in females), which have half the genetic material of the parent cell. ©2005 McGraw-Hill Ryerson Ltd. ...
Mouse Lefty2 and Zebrafish Antivin Are Feedback
Mouse Lefty2 and Zebrafish Antivin Are Feedback

... The murine “lefty” locus is composed of two highly conserved genes, lefty1 and lefty2, which are tightly linked on chromosome 1 (Meno et al., 1997). To examine the role of lefty2 in gastrulation and L–R asymmetry, we generated mutant mice deficient in lefty2. To inactivate lefty2, we constructed a t ...
Ethylene is involved in strawberry fruit ripening in an organ
Ethylene is involved in strawberry fruit ripening in an organ

... and both organs are connected through vascular bundles (Perkins-Veazie, 1995). These two organs, the achene and the receptacle, although highly interconnected throughout their developmental programmes, particularly at early developmental stages, are very different in terms of cell ontogeny and funct ...
www.psd150.org
www.psd150.org

... Homozygous dominant Having two copies of the same dominant allele ...
PDF
PDF

... the multiple conversion steps for synthesizing ecdysone from dietary cholesterol, the conversion of 7-dehydrocholesterol to 5ketodiol, the so-called ‘Black Box’, is thought to be the important rate-limiting step. Although a number of genes essential for ecdysone synthesis have recently been reveale ...
Assessing homology at different levels of the biological hierarchy
Assessing homology at different levels of the biological hierarchy

Complex inheritance of larval adaptation in Plutella
Complex inheritance of larval adaptation in Plutella

... from human disturbance differ in their genetic architecture from those adaptations that arise under natural conditions. An understanding of the genetic architecture (that is, mode of inheritance, the number of genes involved) of a trait that allows for survival on a novel host plant is important bec ...
1 Transmission Disequilibrium Methods for Family
1 Transmission Disequilibrium Methods for Family

... evaluation of candidate genes (genes with known function as likely candidates related to the disease). Association studies - often used to evaluate candidate genes - typically are based on the case-control study design with unrelated subjects. The finding of a greater frequency of a marker allele am ...
SVPaper050711
SVPaper050711

... transposable elements). Sequence based methods of SV detection, with higher ...
Comparison of conserved structural and regulatory domains within
Comparison of conserved structural and regulatory domains within

... In contrast, three bands (485, 650 and 710 bp) were consistently observed in each of 10 individual PCR amplifications for the filamentous Nostoc PCC 7120, the intermediate fragment (650 bp) being in all cases less intense. Since PCR products of 16S rRNA–23S rRNA spacer amplifications may contain art ...
by Vanessa Di Gioacchino A thesis submitted to the Department of Biology
by Vanessa Di Gioacchino A thesis submitted to the Department of Biology

... been fully sequenced and annotated, but there have been a wide array of genetic tools developed specifically for this organism, including balancer chromosomes, and techniques for mutagenesis and gene expression manipulation (Duffy, 2002; Muller, 1927). Studying the biology and physiology of the frui ...
Drosophila WntD is a target and an inhibitor of the Dorsal/Twist/Snail
Drosophila WntD is a target and an inhibitor of the Dorsal/Twist/Snail

... cell invagination to form the mesoderm (Ip and Gridley, 2002; Leptin, 1999; Stathopoulos and Levine, 2002). In dorsal, twist or snail mutants, no ventral invagination occurs and no mesodermal tissues are formed. Twist is a basic helix-loophelix transcription factor and acts as a co-activator for Dor ...
Understanding the Scurred condition in Polled Cattle
Understanding the Scurred condition in Polled Cattle

... Understanding the Scurred condition in Polled Cattle Most calves that are horned can be identified at birth or shortly after, and almost always by weaning time. Distinguishing between smooth-polled and scurred-polled is more difficult. Scurs, a rudimentary horn growth, are often not seen until cattl ...
Reproductive barriers in indica-japonica rice
Reproductive barriers in indica-japonica rice

... premature programed cell death (PCD). It is speculated that ORF3+, but not ORF3-, ...
Cytokinin and auxin have a crucial role in the control of this balance.
Cytokinin and auxin have a crucial role in the control of this balance.

... for specifying the embryonic root stemcell niche during Arabidopsis embryogenesis [55]. The Arabidopsis embryonic root stem cell niche is initiated by the specification of a single cell, the hypophysis. By combining a new visualization tool for cytokinin two-component-output sensor and inducible gen ...
Positive Selection of Deleterious Alleles through Interaction with a
Positive Selection of Deleterious Alleles through Interaction with a

... Although generally rare, deleterious alleles can become common through genetic drift, hitchhiking or reductions in selective constraints. Here we present a possible new mechanism that explains the attainment of high frequencies of deleterious alleles in the African buffalo (Syncerus caffer) populati ...
MSc Seminar: Donald Dunbar
MSc Seminar: Donald Dunbar

... Problems with transcriptomics ...
Zebrafish Collagen Type I: Molecular and Biochemical
Zebrafish Collagen Type I: Molecular and Biochemical

... around a central axis11. In the endoplasmic reticulum, type I collagen is synthesized as a pro-collagen molecule characterized by the presence of N- and C-propeptides flanking the triple helical region via two short telopeptides (N- and C- telopeptide). In particular, the C-propeptide contains a var ...
A TaqI polymorphism in the 3 UTR of the IL-12
A TaqI polymorphism in the 3 UTR of the IL-12

... The fact that the TaqI polymorphism in the p40 gene has an effect on IL-12 p70 secretion, but not on IL-12 p40 secretion, is of considerable interest and, at first glance, may appear counterintuitive. One possibility is that the polymorphism affects p40 homodimer formation, which, in turn, influence ...
Student Study Outline Ch24
Student Study Outline Ch24

... (Outcome 24.5.11) 5. Any gene on the X chromosome of a male is expressed in his phenotype because _________________________________________________ . (Outcome 24.5.11) 6. An allele on an X chromosome of a female may or may not be expressed because __________________________________________________ _ ...
by Attila Mokanszki Supervisor: Prof. Dr. Eva Olah
by Attila Mokanszki Supervisor: Prof. Dr. Eva Olah

... The aims of my research were to study the genetic aberrations background of infertility and to compare the results in the Hungarian population with the international literary data. On the bases of my research I have studied the following issues: − Study and comparison of the balanced chromosome aber ...
SelectedJournalAsthm..
SelectedJournalAsthm..

... Hakonarson H, Bjornsdottir US, Halapi E, et al. A major susceptibility gene for asthma maps to chromosome 14q24. Am J Hum Genet 2002;71:483-91. Laitinen T, Daly MJ, Rioux JD, et al. A susceptibility locus for asthma-related traits on chromosome 7 revealed by genome-wide scan in a founder population. ...
< 1 ... 6 7 8 9 10 11 12 13 14 ... 779 >

Genomic imprinting

Genomic imprinting is the epigenetic phenomenon by which certain genes are expressed in a parent-of-origin-specific manner. If the allele inherited from the father is imprinted, it is thereby silenced, and only the allele from the mother is expressed. If the allele from the mother is imprinted, then only the allele from the father is expressed. Forms of genomic imprinting have been demonstrated in fungi, plants and animals. Genomic imprinting is a fairly rare phenomenon in mammals; most genes are not imprinted.In insects, imprinting affects entire chromosomes. In some insects the entire paternal genome is silenced in male offspring, and thus is involved in sex determination. The imprinting produces effects similar to the mechanisms in other insects that eliminate paternally inherited chromosomes in male offspring, including arrhenotoky.Genomic imprinting is an inheritance process independent of the classical Mendelian inheritance. It is an epigenetic process that involves DNA methylation and histone methylation without altering the genetic sequence. These epigenetic marks are established (""imprinted"") in the germline (sperm or egg cells) of the parents and are maintained through mitotic cell divisions in the somatic cells of an organism.Appropriate imprinting of certain genes is important for normal development. Human diseases involving genomic imprinting include Angelman syndrome and Prader–Willi syndrome.
  • studyres.com © 2025
  • DMCA
  • Privacy
  • Terms
  • Report