capital park trains and locomotives in use

However the humans living on the spaceship were different to the humans who will be living on earth now. They were so fat them to be struggling to walk. they travelled around in motorised chairs using a computer screen and cup & straw attached, chatting on phones and if they happened to fall out they only laid there until a robot arrived and picked them up. The adults were fat, your children were fat! They just laid around all day meals doing no exercise what so ever and to quote the captain, "Computer, define dancing". In early embryonic development, an oversight can take place giving the embryo some cells with two X chromosomes and several with three X chromosomes. Luckily, both types of cells continues to divide and since not every cells have the abnormal amount of X chromosomes the female is only going to experience mild, if any, symptoms.