Terms used on the Crop Genebank Knowledge Base.
| Term | Definition |
|---|---|
| Pyrimidine |
A nitrogen-containing |
| Pyrophosphate |
A chemical molecule that is released each time a deoxynucleotide is incorporated to the new DNA strand during pyrosequencing. |
| Pyrosequencing |
A new sequencing method of relatively short DNA templates based on real-time (quantitative) pyrophosphate release. |
| Quarantine |
The official confinement of introduced germplasm subject to phytosanitary regulations to ensure that it does not carry diseases or pests injurious to the importing country. |
| Radioactive labeling |
The labeling of probes or primers with radioactive tags in order to enable detection of variation in DNA fragments. |
| Random Amplified Polymorphic DNA |
(RAPD) A molecular marker technique for amplifying anonymous stretches of DNA using PCR with arbitrary primers. |
| Random sample |
A sample drawn at random from a larger group. |
| Re-synthesized/Recreated |
In studies of hybrid origins of species, investigators may attempt to ???re-synthesize??? a hybrid by crossing its putative parents and compare the natural to the putative hybrid by morphological or molecular markers. |
| Recalcitrant seeds |
Seeds that loose viability when dried or stored at low temperatures. |
| Recombination |
The production of a DNA molecule with segments derived from more than one parental DNA molecule. In eukaryotes |
Glossary open source software by M. Brampton