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A bit of Biology
Evolution is the source of this diversity: all species are related, to varying degrees. Within each species, individuals evolve over generations through random changes in their DNA.
How are proteins, these incredible little machines essential to the proper functioning of all organisms, made? What is the link between DNA, genes, proteins and evolution
A bit of Evolution
What is a tree of life? What is a mutation? What is natural selection? How to build a tree of life with molecular data? What are ‘orthologs’?
“All species have common ancestors and evolve by natural selection”. This is the theory proposed by Charles Darwin in 1859 in his book “On the Origin of Species”.
A bit of Bioinformatics
What is bioinformatics? How to sequence and annotate a genome? How to predict genes? How to find orthologs?
The challenges of building a tree of life with molecular data are multiple: among other things, it is necessary to have data that are comparable, such as sets of orthologous protein sequences.