Or, you can go to a complete listing of all terms we currently define in this lexicon, each of which is linked directly to a definition. PhRMA offers free access to the Lexicon in order to help to educate the public, facilitate informed policy discussions, and enable precise understanding and communication related to genetic medicine. Map depicting the order of and distance between sites at which restriction enzymes cleave chromosomes.
Physical maps aim to quantify the actual amount of DNA, usually in base pairs, between two loci.
A marker may or may not be part of a gene . Markers are essential for use in linkage studies and genetic maps to help scientists to narrow down the possible location of new genes, and to discover the associations between genetic mutations and disease. The process of two consecutive cell divisions in the diploid progenitors of sex cells. Meiosis results in four rather than two daughter cells, each with a haploid set of chromosomes. A stage in mitosis or meiosis during which the chromosomes are aligned along the equatorial plane of the cell.