A polymorphic human DNA fragment, OS-4, isolated from pBR322 human genomic library was mapped to chromosome 18 using a human-mouse somatic cell hybrid panel. More precise assignment of this locus to ...

We present a heuristic approach to the DNA assignment problem based on phylogenetic inferences using constrained neighbour joining and non-parametric bootstrapping. We show that this method performs ...

(KPRC/NBC News) Parents in Spring, Texas are asking how a question about rape ended up on a biology homework assignment for ninth graders at Klein Collins High School. The question was part of a ...