Question 1 Explain how chicks are born. How much time does the embryo present in hen's egg take to develop into a chick? Fertilisation in Hen Internal fertilisation take place in hen as well. (1) After fertilisation takes place inside the body of the hen, the fertilised egg or zygote divides repeatedly to form embryo which travel down the oviduct. (2) As it travels down … [Read more...] about Fertilisation in Hen