Question

What is fertilization? Explain with the help of diagrams, the steps after fertilization that lead to seed formation.​

Answer 1

Answer:

Plant Fertilization: the process of fusion of the female gamete, the ovum or egg and the male gamete produced in the pollen tube by the pollen grain.The male gametes of the flower are transferred on to the female reproductive organs through pollinators.

Seed Growth

Seed GrowthIn angiosperms, the process of seed development begins with double fertilization and involves the fusion of the egg and sperm nuclei into a zygote. The second part of this process is the fusion of the polar nuclei with a second sperm cell nucleus, thus forming a primary endosperm.

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Answer 2

Answer:

The process of combination of male gametes or sperm with the female gamete or ovum. The product of fertilization in a cell is called zygote.

Steps of fertilization:

• Sperm preparation
• Sperm - egg recognition and binding
• Sperm - egg fusion and
• fusion of sperm
• egg pronuclei
• activation of zygote