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Chromosomes and Genetics
Chromosomes and Genetics

... came in pairs that segregated (separated) during meiosis These separated chromosomes then formed new pairs when the egg and sperm united ...
Ch. 10 Mendel`s Genetics
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... • Gel electrophoresis: One of the most popular DNA technologies is gel electrophoresis, in which sections of DNA are sliced into differently sized fragments and placed in a gel-covered plate. An electric current is passed through the gel, causing the fragments to separate according to size. Gel elec ...
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... C. elegans cDNA library is commercially available. ...
Chem 4B Final Exam Review Sheet Systematic error
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... First, we could add a small molecule in large quantity which will tie up all the water in hydrogen bonding. In this case, the amino acids on the outside of the protein won’t have their normal interactions with water, and they may move to interact with an amino acid which they would normally ignore. ...
Lab 6 Prelab Reading
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... produced appears to be proportional to the number of correct instructions. Thus the normal person (PP) with two sets of correct instructions would be expected to have twice as much of this particular protein as the carrier (Pp) with only one set of correct instructions. Generally, the decrease found ...
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N - University of California, Berkeley

... Most sulfate conjugates are excreted in the urine (actively excreted by organic anion transporters. Some excreted in the bile may be hydrolyzed by arylsulfatases in gut microflora, which can contribute to enterohepatic circulation of certain xenobiotics. Sulfotransferase Genes ...
New mutations causing congenital myopathies
New mutations causing congenital myopathies

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Laws of Inheritance
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knockdown

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... fundamental revolution in phylogenetic principles and methodologies. The molecular revolution in biology that began at about that same time added further nuances to the homology concept. For example, DNA sequence homology in a multigene family can be due either to paralogy (similarity tracing to a g ...
Ch. 12 - Crestwood Local Schools
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Chapter 11: Intro. to Genetics
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Full Text  - The International Journal of Developmental Biology
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... pole of the embryo and counteracts the product of the decapentaplegic (dpp) gene, which is necessary for dorsal identity (Biehs et al., 1996). In Xenopus, chordin and BMP4 are counterparts and functional homologs of sog and dpp respectively, and interact much in the same way as sog and dpp do to est ...
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... in gene regulation, and ways to identify new recoded genes. Introduction Postgenomic studies constitute one of the current challenges in biology due to the burgeoning quantity of genome sequence available and the difficulties in utilizing the data to understand how an organism functions. A major pro ...
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... description of sympatric speciation. These studies include: a model of stochastic branching and fixation of subpopulations due to genetic drifts and local reproduction in genome space [2], general reaction-diffusion Turing pattern formation models in genomic space [1,3,4], and specific individual-b ...
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RMA1, an Arabidopsis thaliana Gene Whose cDNA Suppresses the

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Differential expression of mRNA in human thyroid
Differential expression of mRNA in human thyroid

... and, although the disparate phenotypes might be explained on the basis of impaired mitochondrial gene function alone, the role of altered nuclear gene expression must also be considered. In recent years, the experimental technique of depleting cells of mtDNA by culturing them with ethidium bromide h ...
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Artificial gene synthesis

Artificial gene synthesis is a method in synthetic biology that is used to create artificial genes in the laboratory. Currently based on solid-phase DNA synthesis, it differs from molecular cloning and polymerase chain reaction (PCR) in that the user does not have to begin with preexisting DNA sequences. Therefore, it is possible to make a completely synthetic double-stranded DNA molecule with no apparent limits on either nucleotide sequence or size. The method has been used to generate functional bacterial or yeast chromosomes containing approximately one million base pairs. Recent research also suggests the possibility of creating novel nucleobase pairs in addition to the two base pairs in nature, which could greatly expand the possibility of expanding the genetic code.Synthesis of the first complete gene, a yeast tRNA, was demonstrated by Har Gobind Khorana and coworkers in 1972. Synthesis of the first peptide- and protein-coding genes was performed in the laboratories of Herbert Boyer and Alexander Markham, respectively.Commercial gene synthesis services are now available from numerous companies worldwide, some of which have built their business model around this task. Current gene synthesis approaches are most often based on a combination of organic chemistry and molecular biological techniques and entire genes may be synthesized ""de novo"", without the need for precursor template DNA. Gene synthesis has become an important tool in many fields of recombinant DNA technology including heterologous gene expression, vaccine development, gene therapy and molecular engineering. The synthesis of nucleic acid sequences is often more economical than classical cloning and mutagenesis procedures.
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