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A technique used in model organism studies in which embryos at the 8-cell stage of development are pushed together to yield a single embryo (used as an alternative to microinjection).
See also: model organisms.
Industry:Biology
The physical characteristics of an organism or the presence of a disease that may or may not be genetic.
See also: genotype.
Industry:Biology
Each generation of offspring in a breeding program, designated F1, F2, etc..
Industry:Biology
Alternative form of a genetic locus; a single allele for each locus is inherited from each parent (e.g., at a locus for eye colour the allele might result in blue or brown eyes).
See also: locus, gene expression.
Industry:Biology
A map of the locations of identifiable landmarks on DNA (e.g., restriction-enzyme cutting sites, genes), regardless of inheritance. Distance is measured in base pairs. For the human genome, the lowest-resolution physical map is the banding patterns on the 24 different chromosomes; the highest-resolution map is the complete nucleotide sequence of the chromosomes..
Industry:Biology
In genetics, the identification of multiple specific alleles on a person's DNA to produce a unique identifier for that person.
See also: forensics.
Industry:Biology
Autonomously replicating extra-chromosomal circular DNA molecules, distinct from the normal bacterial genome and nonessential for cell survival under nonselective conditions. Some plasmids are capable of integrating into the host genome. A number of artificially constructed plasmids are used as cloning vectors..
Industry:Biology
Analysis of biological material by detection of the light-absorbing or fluorescing properties of cells or subcellular fractions (i.e., chromosomes) passing in a narrow stream through a laser beam. An absorbance or fluorescence profile of the sample is produced. Automated sorting devices, used to fractionate samples, sort successive droplets of the analysed stream into different fractions depending on the fluorescence emitted by each droplet..
Industry:Biology
Different ways of combining a gene's exons to make variants of the complete protein.
Industry:Biology
