In a genetic screen, mapping allows scientists to link genes ... is necessary to link that phenotype to a region on a specific chromosome. We do this by looking at specific genetic markers ...

This video segment from NOVA: "Judgment Day: Intelligent Design on Trial" reveals how genetic evidence helped ... it explains that humans have one fewer chromosome pair in their cells than apes ...

This in turn led to the idea of genetic ... other on the same chromosome. Since Morgan's time, this idea has served as the basis for continued research in the areas of gene mapping and ...

In a recent study, scientists have developed a revolutionary chromosome identification system for alfalfa, one of the world's ...

All men and only men have a Y chromosome. This biological fact allows us to trace back in time a direct, largely unchanged genetic line of inheritance from father to son. Every person, male or ...

(Image: National Human Genome Research Institute) Chromosomes contain the genome, the complete set of genetic instructions for an organism. The DNA within the chromosomes encodes genes, which are the ...

These extra chromosomes are found in many plants, animals, and fungi and rely upon various strategies to avoid being ...