marker chromosome

  • 11Marker — A piece of DNA that lies on a chromosome so close to a gene that the marker and the gene are inherited together. A marker is thus an identifiable heritable spot on a chromosome. A marker can be an expressed region of DNA (a gene) or a segment of… …

    Medical dictionary

  • 12Chromosome — A visible carrier of the genetic information. The 3 billion bp (base pairs) in the human genome are organized into 24 distinct, physically separate microscopic units called chromosomes. All genes are arranged linearly along the chromosomes. The… …

    Medical dictionary

  • 13Marker gene — A detectable genetic trait or segment of DNA that can be identified and tracked. A marker gene can serve as a flag for another gene, sometimes called the target gene. A marker gene must be on the same chromosome as the target gene and near enough …

    Medical dictionary

  • 14Marker-X-Syndrom — Klassifikation nach ICD 10 Q99.2 Fragiles X Chromosom Syndrom des fragilen X Chromosoms …

    Deutsch Wikipedia

  • 15chromosome landing — An alteRNAtive to chromosome walking for positional cloning. Clones of genomic DNA are fragmented so as to include both the target gene and a closely linked marker and are screened to select ( land on ) those clones that contain the target gene …

    Glossary of Biotechnology

  • 16marker gene — noun A gene with a known location in a chromosome; used to track the insertion of DNA into organisms …

    Wiktionary

  • 17marker — noun 1》 an object used to indicate a position, place, or route.     ↘a distinctive feature or characteristic indicative of a particular quality or condition.     ↘Genetics an allele used to identify a chromosome or to locate other genes on a… …

    English new terms dictionary

  • 18Balancer chromosome — A balancer chromosome is a genetic tool used to prevent crossing over (genetic recombination) between homologous chromosomes during meiosis. Balancers are most often used in Drosophila melanogaster (fruit fly) genetics to allow populations of… …

    Wikipedia

  • 19Genetic marker — A genetic marker is a gene or DNA sequence with a known location on a chromosome that can be used to identify cells, individuals or species. It can be described as a variation (which may arise due to mutation or alteration in the genomic loci)… …

    Wikipedia

  • 20Human Y-chromosome DNA haplogroup — In human genetics, a Human Y chromosome DNA haplogroup is a haplogroup defined by differences in the non recombining portions of DNA from the Y chromosome (called Y DNA).The Y Chromosome Consortium has established a system of defining Y DNA… …

    Wikipedia