The secret of fruit flies

Hello! Let"s get acquainted! I am a fruit fly. In this book, I will tell you a lot of amazing secrets about myself and my relatives. "Hey! But who are these fruit flies to write a whole book about them?! " - Surely you will be indignant. But please do not rush with conclusions. You can’t even imagine how important and useful we are. I will tell you how we help people look for medicines for various diseases. And you will find out what genes and mutations are and why some flies (for example, I) have white eyes, and not red, like the rest. And finally, you will understand that fruit flies and people are very similar. Yes, yes, it"s true!
In general, read it better about everything yourself!
P. S. And consider the pictures well!
For young school age