Eli5 what is the result of an egg with two or more yolks in it?

Question

I saw a video where they crack an egg and it has like 10 yolks. I didn’t think it was possible

In: Biology

Answer 1

it is just a mutation, possibly think of it as a kind of birth defect. Animals arent perfect machines, their DNA is programmed to make 1 yolk per egg, but sometimes something goes wrong, and two are made.