Sequence

There are more different sequences in 3 pg animal nuclear DNA than in 0.004 pg of bacterial DNA. Conversely, in 12 pg of DNA there are many more copies of a genome if the genome is bacterial than if the genome is vertebrate.
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Any site in a chromosome or genome that is identified by a known unique DNA sequence. STSs can be used to form genetic maps by standard mapping procedures.
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Simple Sequence Repeat (SSR)
Short, tandem repeats that are useful as genetic markers See also PCR Glossary.
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Sequence records are created by scientists who submit sequence data to GenBank. As an archival database, GenBank may contain hundreds of records for the same gene.
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Sequences can be derived from the biological raw material through a process called DNA sequencing.
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See also ...
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DNA sequence
A DNA sequence (sometimes genetic sequence) is a succession of letters representing the primary structure of a real or hypothetical DNA molecule or strand, The possible letters are A, C, G, and T, ...
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A DNA sequence that is very similar in several different kinds of organisms.
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Repeated sequences are short segments of DNA that are repeated hundreds or thousands of times. For example: In the segment of DNA illustrated below, CCG is repeated several times.
The cause is unknown.
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The signal sequence consists of the first portion of the elongating polypeptide chain (so the signal sequence occurs at the amino terminal of the polypeptide). Typical signal sequences contain 15 - 30 amino acids.
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Sequence tagged site (STS)
Short (200 to 500 base pairs) sequence of genomic DNA that has a single occurrence in the human genome and whose location and base sequence are known.
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Sequence: See Base sequence.
Sequencer: An apparatus used for deciphering the order of bases in a stra nd of DNA.
Sequencing: Determining of the order of bases in a DNA or RNA molecule.
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sequence). Such a consensus sequence has not been recognized in eukaryotes yet.
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Sequence-tagged site (STS). A unique (single-copy) DNA sequence used as a mapping landmark on a chromosome.
Sexual reproduction. The process where two cells (gametes) fuse to form one hybrid, fertilized cell. See Asexual reproduction, Gamete, Hybrid.
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SEQUENCE POLYMORPHISM - See POLYMORPHISM.
SEQUENTIAL EPITOPE - See LINEAR EPITOPE.
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Sequence tagged site (STS): Short (200 to 500 base pairs) DNA sequence that has a single occurrence in the human genome and whose location and base sequence are known.
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A sequence of electron-carrier molecules (membrane proteins) that shuttle electrons during the redox reactions that release energy used to make ATP.
electronegativity
The tendency for an atom to pull electrons toward itself.
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The sequence of this human genome was only a sequence of the referenced genome. And if you look at it alone, you could get the impression that the genome is some static thing that doesn't change.
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The sequence of the fossil and two extant species of magnolia are given along with one other plant species. The fossil magnolia, given the species name Magnolia latahensis, yielded a sequence similar, but distinct from the extant species of magnolia.
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Same sequence, the last of the 3 possible frames:
...AT GAC ATG TAA AGA TAG ACT AAC CTT TTG G.. ... Asp Met *** Arg *** Thr Asn Leu Leu ...
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repeat sequences -- The length of a nucleotide sequence that is repeated in a tandem cluster.
replacement -- Fossilization process that occurs when an organism is completely decomposed and replaced by mineral.
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One consequence of this asexual method of reproduction is that all organisms in a colony are genetic equals.
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A short sequence (of RNA or DNA) from which DNA replication can initiate. May be either a synthetic DNA or RNA or a length of RNA synthesized in vivo by primase.
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Genetic sequence evidence
Comparison of the genetic sequence of organisms reveals that organisms that are phylogenetically close have a higher degree of sequence similarity than organisms that are phylogenetically distant.
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codon - sequence of three nucleotides in a DNA or messenger RNA molecule that represents the instruction for incorporation of a specific amino acid into a growing polypeptide chain.
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codon A sequence of three bases on messenger RNA that specifies the position of an amino acid in a protein.
coefficient of relationship The fraction of genes identical by common descent shared between two individuals.
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Flanking sequence or flanking region
The DNA sequence located on either side of a specific genetic locus.
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nucleotide sequences in nuclear RNA that are eliminated during the formation of mRNA; also called intervening sequences
Source: Jenkins, John B. 1990. Human Genetics, 2nd Edition. New York: Harper & Row
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enhancer - DNA sequence in a gene that influences the gene's expression by increasing or decreasing its rate of RNA synthesis (via effects on binding and transcription of the basal transcription apparatus including RNA Polymerase); ...
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Life Cycle: The sequence of events that occurs during the lifetime of an individual organism.
Maggot: The immature form (larva) of a fly or wasp, lacking legs and a well-developed head.
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Gene: An ordered sequence of nucleotides which act as the functional subunit of hereditary information. The collection of genes in an organism determine the characteristics of that organism.
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Transcribe a DNA sequence and translate it into a protein!
Go to Chapter 6: DNA, RNA, Protein Synthesis Quizzes
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Alternate forms of a gene or DNA sequence, which occur on either of two homologous chromosomes in a diploid organism. (See DNA polymorphism.) Alternative mRNA splicing. The inclusion or exclusion of different exons to form different mRNA transcripts.
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Alu repetitive sequence -- the most common dispersed repeated DNA sequence in the human genome accounting for 5% of human DNA. The name is derived from the fact that these sequences are cleaved by the restriction endonuclease Alu.
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palindrome A segment of duplex DNA in which the base sequences of the two strands is the same from each end of the strand. paradigm In biochemistry, an experimental model held to be true.
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Annealing Formation of double-stranded molecules from two single strands of nucleic acid by base pairing of complementary sequence. Usually achieved incubation at a favourable temperature.
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Aerobic cells produce reactive oxygen species as a consequence of normal cellular metabolism, and an array of antioxidant systems are in place to maintain the redox balance.
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They guide the formation of exact copies of their own sequence through complementary pairing of nucleotides subunits (U with A and G with C).
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Restriction enzymes cut DNA wherever their "recognition site" (usually between 4 and 8 bases in length) occurs in the DNA sequence. When there are changes between sequences, a recognition site may appear or be lost.
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translation: the process by which the genetic code is transferred to an amino acid sequence in a protein.
tricuspid valve: a valve that passes blood from the right atrium into the right ventricle.
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These include the comparisons of DNA sequences conducted within molecular biology or genomics, and comparisons of fossils or other records of ancient organisms in paleontology.
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