Just like interstate maps have cities and towns that serveĪs landmarks, genetic maps have landmarks known as genetic markers, Types of Landmarks Found on a Genetic Map Use these maps to traverse that genetic highway commonly referred to as Of these maps is constructed may be helpful in understanding how scientists Physical maps, therefore, allow a scientist to moreĮasily hone in on the location of a gene. Two sites of interest may be defined more precisely in terms of city blocks
Maps would then be similar to street maps, where the distance between Mark an estimate of the true distance, in measurements called base Maps serve to guide a scientist towards a gene, just like an interstate Items and is limited to ordering certain items. Highway map, provides an indirect estimate of the distance between two However, a genetic map, like an interstate Both genetic and physical maps provide the likely They have available to them two broad categories of maps: genetic mapsĪnd physical maps. Searching for a specific gene somewhere within the vast human genome. This scenario is similar to the situation facing scientists How will you ever find your friend's house? It's going to be difficult, but eventually, you may stumble across the right house. You stop to check your maps, and realize that all you have are interstate highway maps-not a single street map of the area. Your favorite tunes are playing on the radio, and you haven't a care in the world. Imagine you're in a car driving down the highway to visit an old friend who has just moved to L.A.
GENOME MAPPING: A GUIDE TO THE GENETIC HIGHWAY WE CALL THE HUMAN GENOME
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