In eggs which have very thick and resistant membrane e.g., fishes and insects sperm penetrate throug

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2.Human Reproduction

normal

In eggs which have very thick and resistant membrane e.g., fishes and insects sperm penetrate through a special canal called

Vitelline membrane

Jelly coat

Polar body

Micropyle

Solution

(d)Such egg are not directly penetrated by the sperm. Here in such cases the sperm must penetrate through as special canal called micropyle or outgrowth left in the egg membrane the receptor cone.

Standard 12

Biology

The cavity of gastrula is called

normal

Atretic follicles are found in the

normal

The hormones of the sperm are called

normal

From which layer of the embryo do the liver and pancreas develop

normal

The first sign of the growing foetus may be noticed by listening to the heart sound carefully through the stethoscope. Embryo's heart is formed _________.

normal

In eggs which have very thick and resistant membrane e.g., fishes and insects sperm penetrate through a special canal called

Solution

Similar Questions

The cavity of gastrula is called

Atretic follicles are found in the

The hormones of the sperm are called

From which layer of the embryo do the liver and pancreas develop

The first sign of the growing foetus may be noticed by listening to the heart sound carefully through the stethoscope. Embryo's heart is formed _________.

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