Tag: genetics

Even those least familiar with evolutionary theory know that it involves a powerful driving force: natural selection. However, as we delve deeper into the theory, we find that things haven't been that simple for a long time. This is because we no longer consider natural selection the sole engine of evolution, and from a certain point of view, not even the most powerful one.

Although the results do not seem spectacular yet, at least to the majority of the population, probably the most remarkable advances in the field of healthcare in the last 30 years relate to the mapping of the human genome (completed in 2003), the genome of other animal and plant species, and the development of bioinformatics.

Grandpa’s eyes, mother’s wide hips, aunt’s serene gaze, father’s ambition, great-grandmother’s rheumatism—all the little traits that define us seem to come from ancestral parents who, together, should have all the genes that anyone can have today, all the possible ingredients for the recipe from which we were made.

The stakes are high when it comes to homosexuality, promiscuity, alcoholism, violence, and the like. Previously seen as a result of environmental influence and moral choice, they have now become a genetical given.