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Alteration of DNA at a specific site and its reinsertion into an organism to study any effects of the change.
Industry:Biology
The full complement of activated genes, mRNAs, or transcripts in a particular tissue at a particular time.
Industry:Biology
A laboratory procedure in which a cell's nucleus is removed and placed into an oocyte with its own nucleus removed so the genetic information from the donor nucleus controls the resulting cell. Such cells can be induced to form embryos. This process was used to create the cloned sheep "Dolly". See also: cloning.
Industry:Biology
A large molecule composed of nucleotide subunits. See also: DNA.
Industry:Biology
Alleles carrying particular DNA sequences associated with the presence of disease.
Industry:Biology
A process by which the genetic material carried by an individual cell is altered by incorporation of exogenous DNA into its genome.
Industry:Biology
A discrete portion of a protein with its own function. The combination of domains in a single protein determines its overall function.
Industry:Biology
A discrete portion of a protein with its own function. The combination of domains in a single protein determines its overall function.
Industry:Biology
A subunit of DNA or RNA consisting of a nitrogenous base (adenine, guanine, thymine, or cytosine in DNA; adenine, guanine, uracil, or cytosine in RNA), a phosphate molecule, and a sugar molecule (deoxyribose in DNA and ribose in RNA). Thousands of nucleotides are linked to form a DNA or RNA molecule. See also: DNA, base pair, RNA.
Industry:Biology
An allele that is almost always expressed, even if only one copy is present. See also: gene, genome.
Industry:Biology
