Do genes govern our behaviour?

Authors Avatar

Do genes govern our behaviour?


Introduction 

Scientists recently announced they had "cracked the code of life". The culmination of the Human Genome Project was hailed as a revolutionary breakthrough.

The genes in the human body which "determine the shape and colour of your eyes, your height, your ability to absorb cholesterol, your sexual orientation and your susceptibility to disease".

The genes also "determine if you are gay, athletic, musically talented or a manic depressive. Some researchers say your genes will even determine your criminal record."

The Human Genome Project is the most expensive scientific project ever undertaken. Yet it will tell us few of the things claimed by its backers.

Join now!

What Are genes!?

Genes are chemicals in every cell in the human body, and of every living thing. They are made of four chemicals, which are linked, together in long chains in various combinations.

The idea of the Human Genome Project was to map the entire sequence of these chemicals. This "genome" would be the "blueprint for life", and open the door to explaining human biology and behaviour, and herald miracle cures to disease. The whole notion is deeply flawed.

If the genome is a "blueprint", it is only so in the sense of a very general ...

This is a preview of the whole essay