Question

What is the main difference bw sperm and egg and what is the importance of this difference?

Answer 1

Sperms are produced by testosterone which are primary sex organ of a male . They are motile ie they can move easily. They are secreted in millions and are very small as compared to ova ie female egg. ova are non motile their are only two produce at a time .They are produced by ovaries which are primary sex organ in females. speam have to cover a long distance that is why they are secreted in millions and are motile