Thr main arguments were, at the time of allowing this type of prctices, that it will increase the food supply and the types of genetic modified entities were imune to certain natural and/ or industrial pollution factors. However, given the mutations that resulted and the ethcs in the ( economi) strategy, this type of aproach was legally forbiden within the EU, for example
Answer: The fertilized ovum, now called a zygote, is ready for the first mitotic cell division.