detailed meiosis
... In each homologous pair (a complex of four chromatids), nonsister chromatids are linked by X-shaped chiasmata, sites where homologous strand exchange or crossingover occurs. The exchange of genetic material between homologues occurs during prophase of meiosis I. This produces chromosomes that contai ...
... In each homologous pair (a complex of four chromatids), nonsister chromatids are linked by X-shaped chiasmata, sites where homologous strand exchange or crossingover occurs. The exchange of genetic material between homologues occurs during prophase of meiosis I. This produces chromosomes that contai ...
GHS-Express database http://genecanvas.ecgene.net/uploads/Fo
... ghs_snp_on_expression_Y_NONPAR: Associations between SNPs on the non-pseudoautosomal region (NONPAR) of chromosome Y and expression. ghs_snp_on_expression_significant_associations: ...
... ghs_snp_on_expression_Y_NONPAR: Associations between SNPs on the non-pseudoautosomal region (NONPAR) of chromosome Y and expression. ghs_snp_on_expression_significant_associations: ...
splice sites at the termini generating a novel intron from a dSpm
... molecularly. The dSpm insertion is located within the transcribed regions of these genes and in the case of bz-m13 it was shown that almost all of the dSpm sequence is efficiently removed by splicing of the primary transcript, thus restoring the function of the bz-m13 gene product. In the presence o ...
... molecularly. The dSpm insertion is located within the transcribed regions of these genes and in the case of bz-m13 it was shown that almost all of the dSpm sequence is efficiently removed by splicing of the primary transcript, thus restoring the function of the bz-m13 gene product. In the presence o ...
Quantitative Trait Loci and Comparative Genomics of Cereal Cell
... polysaccharide components can be classified into three broad categories: pectins, hemicelluloses, and cellulose. In both monocotyledons and dicotyledons, the most abundant polysaccharide in the majority of tissues is the simple polymer cellulose. In contrast, the hemicelluloses are chemically and ph ...
... polysaccharide components can be classified into three broad categories: pectins, hemicelluloses, and cellulose. In both monocotyledons and dicotyledons, the most abundant polysaccharide in the majority of tissues is the simple polymer cellulose. In contrast, the hemicelluloses are chemically and ph ...
stem cell
... transplanted nuclei came from cells of an early embryo, which are relatively undifferentiated cells. But with nuclei from the fully differentiated intestinal cells of a tadpole, fewer than 2% of the eggs developed into normal tadpoles, and most of the embryos died at a much earlier developmental ...
... transplanted nuclei came from cells of an early embryo, which are relatively undifferentiated cells. But with nuclei from the fully differentiated intestinal cells of a tadpole, fewer than 2% of the eggs developed into normal tadpoles, and most of the embryos died at a much earlier developmental ...
genstat - University of Illinois at Urbana
... Similarity-based approaches: – Exploit the fact that many genes are conserved across species Given a new genome, identify “known genes” first – Can be highly reliable – Only good for finding unknown genes ...
... Similarity-based approaches: – Exploit the fact that many genes are conserved across species Given a new genome, identify “known genes” first – Can be highly reliable – Only good for finding unknown genes ...
Lampetra fluviatilis Neurotrophin Homolog, Descendant of a
... (amino acids), defined as the maximum conceivable number of state changes divided by the actual, calculated number of state changes (K luge and Farris, 1969). Homoplasy is defined as a collection of phenomena that leads to similarities in character states for reasons other than inheritance from a co ...
... (amino acids), defined as the maximum conceivable number of state changes divided by the actual, calculated number of state changes (K luge and Farris, 1969). Homoplasy is defined as a collection of phenomena that leads to similarities in character states for reasons other than inheritance from a co ...
BIOLOGY (Theory) 57/2 SECTION – A 1. Name the two gases
... (½x5 labels=2½+½ diagram) (b) Circular in out line, surrounded by four wall layers ,innermost being tapetum , sporogenous tissue occupies the centre of microsporangium // diagram with any four labels ...
... (½x5 labels=2½+½ diagram) (b) Circular in out line, surrounded by four wall layers ,innermost being tapetum , sporogenous tissue occupies the centre of microsporangium // diagram with any four labels ...
TEV_v7_BY
... of genes 1-7. Functional effects of TE insertions include their regulation of transcription by acting as alternate promoters, enhancer elements, antisense transcripts or transcriptional silencers. TEs can alter splice sites or RNA editing, provide alternate poly-adenylation signals or exons, modify ...
... of genes 1-7. Functional effects of TE insertions include their regulation of transcription by acting as alternate promoters, enhancer elements, antisense transcripts or transcriptional silencers. TEs can alter splice sites or RNA editing, provide alternate poly-adenylation signals or exons, modify ...
early RNs, crossing over initiates, then synapsis begins Chiasmata
... •Ac transposable element is autonomous: it encodes the gene for the transposase enzyme that allows it to jump. Some maize lines have active Ac. •Ds element is non -autonomous: it is a derivative of Ac but its transposase gene does not function. However, when Ac is present in same genome, Ds can jump ...
... •Ac transposable element is autonomous: it encodes the gene for the transposase enzyme that allows it to jump. Some maize lines have active Ac. •Ds element is non -autonomous: it is a derivative of Ac but its transposase gene does not function. However, when Ac is present in same genome, Ds can jump ...
Word - The Open University
... Treating the gut would need some way to deliver genes in a package that the patient would swallow, and which would protect them from digestive enzymes until they could act. The final obstacle is making sure the gene is active, that is, switched on in the cell to produce the protein that the patient ...
... Treating the gut would need some way to deliver genes in a package that the patient would swallow, and which would protect them from digestive enzymes until they could act. The final obstacle is making sure the gene is active, that is, switched on in the cell to produce the protein that the patient ...
Linkage Mapping in Drosophila written by JD Hendrix
... T. H. Morgan, a geneticist who worked in the early part of the twentieth century, pioneered the use of the fruit fly, Drosophila melanogaster, as a model organism in genetic studies. Drosophila has a diploid chromosome number of eight, or four pairs of homologous chromosomes numbered 1 - 4. Chromoso ...
... T. H. Morgan, a geneticist who worked in the early part of the twentieth century, pioneered the use of the fruit fly, Drosophila melanogaster, as a model organism in genetic studies. Drosophila has a diploid chromosome number of eight, or four pairs of homologous chromosomes numbered 1 - 4. Chromoso ...
Contextual Genetic Algorithms: Evolving Developmental Rules
... language expressing as full a range of meanings through arbitrary signifiers as any other language." [26, p. 70] In other words, the same genotype will not always produce the same phenotype; rather, many phenotypes can be produced by one genotype depending on changes in the environmental context. If ...
... language expressing as full a range of meanings through arbitrary signifiers as any other language." [26, p. 70] In other words, the same genotype will not always produce the same phenotype; rather, many phenotypes can be produced by one genotype depending on changes in the environmental context. If ...
Inquiry into Life Twelfth Edition
... • trp leader being synthesized as stalling occurs, stalled ribosome will influence the way RNA folds – Prevents formation of a hairpin – This is part of the transcription termination signal which causes attenuation ...
... • trp leader being synthesized as stalling occurs, stalled ribosome will influence the way RNA folds – Prevents formation of a hairpin – This is part of the transcription termination signal which causes attenuation ...
Enthusiasm mixed with scepticism about single
... Single nucleotide polymorphisms (SNP) are frequent in our genomes, occurring on average once every thousand nucleotides. They are useful as genetic markers because SNPs evolve slowly and because they can be scored by technically simple methods. Moreover, a great deal of the functional variation that ...
... Single nucleotide polymorphisms (SNP) are frequent in our genomes, occurring on average once every thousand nucleotides. They are useful as genetic markers because SNPs evolve slowly and because they can be scored by technically simple methods. Moreover, a great deal of the functional variation that ...
Supertaster
... same as cupcakes! Not only does taste make consuming food more interesting, but it also serves a purpose – it allows humans to determine the relative safety of what they plan to consume. Toxic substances tend to be bitter in taste, so humans tend to avoid this particular flavor – not only do most pe ...
... same as cupcakes! Not only does taste make consuming food more interesting, but it also serves a purpose – it allows humans to determine the relative safety of what they plan to consume. Toxic substances tend to be bitter in taste, so humans tend to avoid this particular flavor – not only do most pe ...
Yeast whole-genome analysis of conserved regulatory motifs
... Epigenomics tools to address these challenges ...
... Epigenomics tools to address these challenges ...
Nondisjunction and chromosomal anomalies La no disyunción y las
... mentioned previously and mixoploidy (mosaics), which refers to the presence of two cell lines, one diploid and the other polyploid. Though polyploidy in humans is not viable, mixoploidy has been found in live adults and children. Mixoploidy consists of two types: diploid-triploid mixoploidy, in whic ...
... mentioned previously and mixoploidy (mosaics), which refers to the presence of two cell lines, one diploid and the other polyploid. Though polyploidy in humans is not viable, mixoploidy has been found in live adults and children. Mixoploidy consists of two types: diploid-triploid mixoploidy, in whic ...
and GvpD-mediated transcription regulation of the p
... sequence; primer pair used was pA-XbaI, 59-CTCCGTATCTAGAAGTACGAC-39 and 39-pgvpA-BamHI, 59-CGTCAGCGTAGGATCCGAACTCCTGCTG-39; restriction sites are shown in italics). The O construct contained a 483 bp XbaI–BamHI p-gvpO fragment (position 2592–3074 in X64729; primer pair used was pO-XbaI, 59-GCGCGAAGA ...
... sequence; primer pair used was pA-XbaI, 59-CTCCGTATCTAGAAGTACGAC-39 and 39-pgvpA-BamHI, 59-CGTCAGCGTAGGATCCGAACTCCTGCTG-39; restriction sites are shown in italics). The O construct contained a 483 bp XbaI–BamHI p-gvpO fragment (position 2592–3074 in X64729; primer pair used was pO-XbaI, 59-GCGCGAAGA ...
Inferring Ancestral Chloroplast Genomes with Inverted
... Although the sequenced cyanobacteria Nostoc and Synechococcus do not maintain rrn-containing IRs, if other cyanobacteria are identified with structures similar to the chloroplast IR, then it would suggest an even earlier origin for this structure. In addition, the ancestral IR contains the same gene ...
... Although the sequenced cyanobacteria Nostoc and Synechococcus do not maintain rrn-containing IRs, if other cyanobacteria are identified with structures similar to the chloroplast IR, then it would suggest an even earlier origin for this structure. In addition, the ancestral IR contains the same gene ...
Function and evolution of sex determination mechanisms, genes
... As a result, the fem mRNAs are spliced into the male configuration that contains a premature translation stop codon. fem is apparently an orthologue of the tra genes [12]. The housefly, M. domestica, exhibits a number of different sex determination systems [8, 29, 35, 36] that co-exist in this speci ...
... As a result, the fem mRNAs are spliced into the male configuration that contains a premature translation stop codon. fem is apparently an orthologue of the tra genes [12]. The housefly, M. domestica, exhibits a number of different sex determination systems [8, 29, 35, 36] that co-exist in this speci ...
A familial inverted duplication/deletion of 2p25.1–25.3
... cut-out of the normal and abnormal chromosomes 2 in G-banding at a resolution of 550 bands. Ideogram of normal and inverted duplicated chromosomes 2p: th 2p25.3 and 2p25.1 bands are depicted in green and red, respectively. The dots represent BAC clones RP11-90H11 (2p25.3, green dot) and RP111B18 (2p ...
... cut-out of the normal and abnormal chromosomes 2 in G-banding at a resolution of 550 bands. Ideogram of normal and inverted duplicated chromosomes 2p: th 2p25.3 and 2p25.1 bands are depicted in green and red, respectively. The dots represent BAC clones RP11-90H11 (2p25.3, green dot) and RP111B18 (2p ...
The mitochondrial uncoupling proteins | Genome Biology | Full Text
... chain. This energy-dissipatory mechanism can serve functions such as thermogenesis, maintenance of the redox balance, or reduction in the production of reactive oxygen species. Some UCP homologs may not act as true uncouplers, however, and their activity has yet to be defined. The UCPs are integral ...
... chain. This energy-dissipatory mechanism can serve functions such as thermogenesis, maintenance of the redox balance, or reduction in the production of reactive oxygen species. Some UCP homologs may not act as true uncouplers, however, and their activity has yet to be defined. The UCPs are integral ...
Antibiotic resistance genes and identification of staphylococci
... These results confirm the large spread of multidrugresistant bacteria, including staphylococci, which can be isolated from different environments, such as clinical, animal and food samples (Santos Sanches et al., 2000; Khan et al., 2005). The fact that 72.7% of our isolates carried two tetracycline r ...
... These results confirm the large spread of multidrugresistant bacteria, including staphylococci, which can be isolated from different environments, such as clinical, animal and food samples (Santos Sanches et al., 2000; Khan et al., 2005). The fact that 72.7% of our isolates carried two tetracycline r ...
Using gene networks to drug target identification
... treatment or disease, lends itself particularly well to target identification in drug discovery [71,72]. Protein-protein interaction is the basis of drug target identification [73]. Protein interaction maps can reveal novel pathways and functional complexes, allowing ‘guilt by association’ annotatio ...
... treatment or disease, lends itself particularly well to target identification in drug discovery [71,72]. Protein-protein interaction is the basis of drug target identification [73]. Protein interaction maps can reveal novel pathways and functional complexes, allowing ‘guilt by association’ annotatio ...