Science, asked by thakurdisha767, 11 months ago

trace the sequence of the events that lead to development of a chick from the fertilised egg egg of hen​

Answers

Answered by sakthikeerthimvm
7

Answer:

An egg starts as a yolk in the hen .The yolk moves to the oviduct for  internal fertilization.It moves to the magus whereby whether fertilized or unfertilized ,a membrane is added to it. A chalazae is added to hold the yolk int o position

Later the shell is added round the egg .It is made from material known as calcite .Obtained from calcium carbonate.

The embryo grows feeding on the yolk .It takes 21 days for a chick to develop inside an the shell.

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