A punnet square is a diagram that is use to predict an outcome of a particular cross or breed experiments. So base on the following data you have given, the possible answer would be that the punnet square data in horizontal are is RY, RY,rY,rY. In the vertical are is RY Ry RY Ry. I hope you are satisfied with my answer and feel free to ask for more
Tachycardia is a condition when the heart rate is greater than 100 beats per min at rest. The electrocardiogram is a diagnostic tool that measures and records the electrical activity of the heart. Bradycardia on the other hand is when the heart rate is slower than normal. The Tachycardia and bradycardia can arise from either the SA node or from other areas of the cardiac.