So let's begin with right over here. So we have X uppercase B. And then we have A. Y are the male gametes, x lowercase B, x lowercase B for the female XL's female gametes. And so if we carry out this punant square, we get X uppercase BX, lowercase B, x uppercase BX lowercase B. We have x uppercase b y, and x lowercase by. Okay, so these here are our females and these here are our males.