a graphic representation of the positions of genes on chromosomes, obtained by observation of chromosome bands or by determining the degree of linkage between genes See also genetic map
in genetics, a diagram showing the relative positions of the chromosome genes
- Chromosome mapping
chromosome mapping n. The process of determining the position of specific genes on specific chromosomes and constructing a diagram of each chromosome showing the relative positions of the genes.
noun, Genetics. 1. the characteristic number of chromosomes contained in the cell nucleus of a given species. noun 1. the number of chromosomes present in each somatic cell, which is constant for any one species of plant or animal. In the reproductive cells this number is halved See also diploid (sense 1), haploid
[kroh-muh-sohm] /ˈkroʊ məˌsoʊm/ noun, Genetics. 1. any of several threadlike bodies, consisting of chromatin, that carry the genes in a linear order: the human species has 23 pairs, designated 1 to 22 in order of decreasing size and X and Y for the female and male sex chromosomes respectively. /ˈkrəʊməˌsəʊm/ noun 1. any of the […]
[kroh-muh-sfeer] /ˈkroʊ məˌsfɪər/ noun, Astronomy. 1. a scarlet, gaseous envelope surrounding the sun outside the photosphere, from which enormous quantities of hydrogen and other gases are erupted. 2. a gaseous envelope surrounding a star. /ˈkrəʊməˌsfɪə/ noun 1. a gaseous layer of the sun’s atmosphere extending from the photosphere to the corona and visible during a […]