Genetics

I had a teacher come into work today.
Who was wanting to get a small tank and some guppies to breed them for her class.
So that her students could observe them, and look at the babies and figure out how much of the genetics were received from the father and mother.

Which was totally a cool idea in theory!

Except....
Like.... well for one we didn't have any females in stock.
Which was fine because the teacher was planning to just get the tank today and come back tomorrow for fish.

But the problem with this is that....
Well the females could already be pregnant before you buy them. 
Which means that even if you have just one male in your tank....
He might not be the father of all the fry.

Because like...that's basically how it works. 

So it's the sort of concept....that in theory would be great. And I love the idea of the project.
But I'd think you'd need to get a couple of generations away from the original parents before you could accurately begin guessing which genetics were passed on between the fish.
And have like a ....control group....where you know the females haven't had any contact with other males besides the one you want them to breed with. 

Honestly...I do wonder what the teacher will end up doing....if they'll get the tank and try the breeding thing....
Or decide on a slightly different genetics project.....

-Sarnic Dirchi