Question

Explain the process of development of fertilised egg.​

Answer 1

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In hens, soon after fertilisation, the zygote divides repeatedly and travels down oviduct. As it travels down, many protective layers are formed around it. The hard shell in a hen’s egg is one such layer. The hen finally lays the eggs. After about three weeks, the eggs are hatched.

Answer 2

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In hens, soon after fertilisation, the zygote divides repeatedly and travels down oviduct. As it travels down, many protective layers are formed around it. The hard shell in a hen’s egg is one such layer. The hen finally lays the eggs. After about three weeks, the eggs are hatched.