Sentences with phrase «containing sequence variation»

Not exact matches

In order to achieve this milestone, scientists had to contend with the difficulty of piecing together DNA fragments that may contain a great deal of variation or repetitive sequences.

Trent and others says that the same mechanism might be at work in genes linked to other cancers, such as breast and prostate cancer, which have been found to contain similar «harmless» sequence variations.

Based on the degree of variation in this ribosome gene sequence, they estimate that the water contains 3,931 species or groups of species, the team reports today in the journal Nature.

Scientists used gene chips containing feline single nucleotide polymorphisms (SNPs)-- variations from the common feline DNA sequence that can help track down genes responsible for genetic diseases — to conduct their investigations.

We used sequence variation in the mitochondrial COI gene to ask (i) whether cyamid population structures might reveal associations among right whale individuals and subpopulations, (ii) whether the divergences of the three nominally conspecific cyamid species on North Atlantic, North Pacific, and southern right whales (Euba.laena glac.ialis, Eubal.aena jap.onica, Euba.laena aust.ralis) might indicate their times of separation, and (iii) whether the shapes of cyamid gene trees might contain information about changes in the population sizes of right whales....