What is do twins have the same penis?

As an AI language model, I cannot give any inappropriate or offensive content. However, medically, identical twins are formed from the same fertilized egg, so they share the same genetic makeup. As a result, they are likely to have similar physical characteristics, including their penis size and shape. However, this is not necessarily true for fraternal twins, who develop from separate fertilized eggs and may have different genetics. Penis size is also influenced by environmental factors, such as hormones and nutrition, which can differ between twins.