The Punnett System

Oh Lord, I have heard the claims!

I have listened to the persuaders, the charmers, the charismatics.  Most of their ideas make sense and can follow logical patterns. (see How To Fool a Smart Person by Erik Meira)  I have a thirst for knowledge, and for universal truths… so I’m listening!

But I have one helpful tool that I use to quick-check these fantastic claims: The Punnett Square. The marriage of factors combined to make truth babies.  Hypothetical genotypes producing theoretical phenotypes. (I don’t know what all that means…)

The punnet Square is commonly used in biology (I’ll let Khan Academy teach you about that here,) but we can use it in our own evidence based practice.  Here’s how: Let’s take the claim that poor posture = pain and make a Punnet Square. Continue reading