His sense of touch became phenomenally acute and he was able to identify minor variants of certain coins by subtle tactile differences alone.
Efforts to identify additional variants associated with prostate cancer risk continue to be reported.
The MacTel genetic study team hopes that exome analysis in the affected population and relatives may be more successful in identifying related variants.
A genome-wide association study has identified variants in the ABO locus associated with susceptibility to pancreatic cancer.
Researchers have identified four separate "serotypes," or variants, of the dengue virus (known, unimaginatively, as dengue-1 through dengue-4).
Some more sophisticated antivirus software uses heuristic analysis to identify new malware or variants of known malware.
Possible test outcomes, including likelihood of uninformative results and identifying variants of uncertain significance.
Criticisms have also been raised with regards to the lack of progress in identifying causal genetic variants for many traits (Missing heritability problem).
A study published in September 2009 discussed a proof of concept experiment to determine if it was possible to identify causal genetic variants using exome sequencing.
There are multiple technologies available to undertake methods to identify causal genetic variants associated with disease.