Now, let's talk about some genetic weirdness – did you know that some people have a condition called tetrachromacy? It means they have four types of cones in their eyes, which allows them to see a whopping 100 million colors! That's like having a genetic superpower, and it's all thanks to having two identical alleles for a specific gene.
PPT - Genetics Unit Review PowerPoint Presentation, free download - ID
And, here's a surprising fact – identical twins don't always have two identical alleles for every gene. It's like they're wearing the same outfit, but with slightly different accessories – they're not exact clones, but pretty close! This is because of something called genetic drift, which is like a genetic game of chance.
