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Please I need help with questions 2 and 4 and it’s very hard and I’m struggling with it and if you need to see the picture big then click on it and it will be big and I need help plotting in it to the Punnet square box for questions 2 and 4

Please I need help with questions 2 and 4 and its very hard and Im struggling with it and if you need to see the picture big then click on it and it will be big class=