Question

With the help of a neat diagram explain sperms fuses with egg

Answer 1

The sperm binds through the corona radiata, a layer of follicle cells on the outside of the secondary oocyte. Fertilization occurs when the nucleus of both a sperm and an egg fuse to form a diploid cell, known as zygote. The successful fusion of gametes forms a new organism.

Answer 2

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◕ There Hundreds of millions of sperm vie for a single egg cell.

◕ The sperm cells are streamlined in design for this purpose: a long tail to help them move, lots of mitochondria to power that movement, genetic information to pass on, and enzymatic proteins to get into the egg cell.

◕ The proteins are stored in a cap at the front of the sperm known as an acrosome - this is the part that first contacts the egg.

◕ The sperms’ target, is the egg. Since it is so much bigger than sperm, the egg is the source of cytosol and organelles,particularly mitochondria, for the future zygote.

◕ Unlike sperm, the egg has not completed meiosis - it’s stuck in the Metaphase II stage of division.

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◕ At last , zygote is formed by the fusion of male and female gamete◕ .