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There are two distinctive mapping approaches used in the field of genome mapping: genetic maps (also known as linkage maps) [7] and physical maps. [3] While both maps are a collection of genetic markers and gene loci, [8] genetic maps' distances are based on the genetic linkage information, while physical maps use actual physical distances usually measured in number of base pairs.
Thomas Hunt Morgan's Drosophila melanogaster genetic linkage map. This was the first successful gene mapping work and provides important evidence for the chromosome theory of inheritance. The map shows the relative positions of allelic characteristics on the second Drosophila chromosome.
FlyBase is an online bioinformatics database and the primary repository of genetic and molecular data for the insect family Drosophilidae. [1] For the most extensively studied species and model organism, Drosophila melanogaster, a wide range of data are presented in different formats.
FlyExpress is a free database that collects the expression patterns of Drosophila melanogaster in embryogenesis via a series of images submitted from BDGP, Fly-FISH and publications from other researchers, containing over 100,000 images of over 4,000 genes. [1] It is currently available freely both online and as an iPhone application. [2] [3]
Drosophila embryogenesis, the process by which Drosophila (fruit fly) embryos form, is a favorite model system for genetics and developmental biology. The study of its embryogenesis unlocked the century-long puzzle of how development was controlled, creating the field of evolutionary developmental biology . [ 1 ]
Alfred Henry Sturtevant (November 21, 1891 – April 5, 1970) was an American geneticist.Sturtevant constructed the first genetic map of a chromosome in 1911. Throughout his career he worked on the organism Drosophila melanogaster with Thomas Hunt Morgan. [2]
The map shows shows the relative positions of allelic characteristics on the second Drosophila chromosome. The distance between the genes (map units) are equal to the percentage of crossing-over events that occurs between different alleles. Reason High quality, scalable vector diagram of a classic and important scientific result
Drosophila Genetic Reference Panel (DGRP) is a suite of Drosophila melanogaster lines derived from an out-crossed population in Raleigh, North Carolina. The founders of these lineages were collected from the Raleigh State Farmer's Market [ 1 ] 35°45′51″N 78°39′47″W / 35.764254°N 78.662935°W / 35.764254; -78.662935