Blood Types – Do they Exist by Chance or by Design?

Here’s a genetic oddity…. Why do we have different blood types? You would think that human blood would be the same all over. It’s a commodity product. It is there to do a job. It dispenses nutrients through the body, it delivers oxygen and takes away carbon dioxide, it staves off infections and it carries … Continue reading Blood Types – Do they Exist by Chance or by Design?

Migration – A Genetic Benefit

Delving into genetic ancestry it is thought that all Europeans are descendants of Charlemagne – a king from the eighth century who had numerous children, mostly illegitimate ones from his concubines. It seems we’re not so dissimilar after all - we all carry sequences of DNA that match each other even though we may be … Continue reading Migration – A Genetic Benefit