It’s back: the great family discussion of eyes. A blue-eyed kid comes from two brown-eyed parents; now what? And that messes up family tree. Blame … Read More

For example, you may have heard that as a general rule you can take your dog’s age and multiply it by seven to get his … Read More

Now you notice your water feels slippery before you go check. You pull out your test strips, compare the colors to chart, and … yup! … Read More

Microbes split into two (and then each of those splits into two). It seems like it takes forever if you observe bacteria in real time … Read More

Usually, you start off thinking in squares. It’s the easiest shape to measure. It matches way we think of world in general. So you draw … Read More

If you took biology in high school, I’m sure you recall the frustrating Punnett square: a drab grid of letters that you was supposed to … Read More

By using sex-linked Punnett square calculator, we’ll handle the math for you. More importantly, it will eliminate the confusion often associated with X-linked traits. Instead … Read More

Mendel started with some single-gene characteristics of his peas… Seed shape or flower color, for example. The resulting crosses, called monohybrids, follow a clear three-to-one … Read More

If your high school biology class made you fill out grids, then you probably already know how to use Punnett square. But if you thought … Read More

You get yourself a yellow Labrador and picture lots of fun times together: long walks in the woods, chasing balls in the yard. Before you … Read More