Final count from incubator hatch stands at 13. Six of those babies will be sold and the remaining 7 we will either keep or eat depending on sex. We received 5 hatchery chicks a few days ago as well, so yes, we are overrun with baby chicks at the moment!
The incubator hatching experiment was a great elementary lesson in genetics for my little ones. We predicted the appearance of the chicks as well as their appearance when they are mature, based on our knowledge of dominant traits our rooster and hens posess.
We knew that our White Plymouth Rock rooster and White Plymouth Rock hens would produce pure White Plymouth Rock chicks, so no mystery there.
We predicted that our rooster and our Barred Plymouth Rock hens would produce barred chicks because we learned that barring is a dominant trait-we were right:

The crossing of our rooser with our Easter Eggers was a toss up. We didn't know what to expect since our Easter Egg hens are such a mix of genes anyway. We did predict that our buff colored EE hen would hatch out a white bearded chick, and we were right! Check out that cute little fluffy beard!

Our other EE hen is dark with a little brown and no real dominant traits, so we thought the chick would be a little of this and that coloring, and I guess we were right there as well as she is a mix of brown, white and yellow.

Now we are trying to predict which chicks are male and which are female. But believe me, we won't be doing any vent sexing in this homeschool-