Question

the correct sequence of various physical and chemical events that take place during fertilisation is-
P - fusion of cortical granules with plasma membrane of secondary oocyte.
Q - formation of fertilisation cone to receive sperm.
R - release of sperm lysin from acrosome.
S- mixing up of chromosomes of a sperm and an ovum. ​

Answer 1

Answer:

It's easy

Explanation:

R

S

Q

P

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Answer 2

R - release of sperm lysin from acrosome.

S- mixing up of chromosomes of a sperm and an ovum. ​

P - fusion of cortical granules with plasma membrane of secondary oocyte.

Q - formation of fertilisation cone to receive sperm.

Fertilization can be broken down into four distinct stages: 1) sperm preparation, 2) sperm-egg identification and binding, 3) sperm-egg fusion, and 4) zygote activation through sperm and egg pronuclei fusion.