Question 1 What is fertilisation? Question 2 How does the development of an embryo takes place? Question 3 What is implantation? Question 4 How does the fertilisation of a human egg by a sperm take place to form a zygote? Question 5 Define foetus?After how many weeks of development, a human embryo is said to become a foetus? Question 6 Give a difference between … [Read more...] about Development of embryo