Human Genome
A few examples of what you can ask Wolfram|Alpha about:
DNA Sequence Lookup
translate a DNA base sequence and find occurrences in the human genome
find the DNA sequence at given position on a chromosome
locate a DNA sequence relative to a gene
get information about a human chromosome
analyze a human gene and locate it on a chromosome
get a specific property of a gene
find homologs of a human gene in other organisms
Single Nucleotide Polymorphisms (SNPs)
get information about a SNP
find SNPs for a given gene
analyze a protein