C the first one is a boy, the second child is a girl girl, and the third one is a boy? D two of them are boys and one of them is a girl, and E they produce, at most, two boys. So let's begin by creating the Punnett square. Now the way that we're going to create the Punnett square is in the following manner. So this column basically deals with the first possibility of the child. So we have either a boy or girl.