In this video course, you will learn about Fertilization from Reproduction in Organisms chapter in Biology, which is helpful for students who are NEET aspirants.
What is Fertilization?
Fertilization is the process by which the gametes (sperm and egg) fuse to form a zygote, which is the first cell of a new individual. This process marks the beginning of sexual reproduction, which leads to the formation of offspring that inherit traits from both parents.
During fertilization, the sperm cell swims through the female reproductive tract towards the egg. The egg is surrounded by protective layers, including the zona pellucida and corona radiata, which the sperm must penetrate in order to reach the egg's surface. When the sperm reaches the egg, it binds to the egg membrane and releases enzymes that break down the protective layers, allowing the sperm to fuse with the egg.
The fusion of the sperm and egg nuclei results in the formation of a zygote, which contains the genetic material of both parents. The zygote then undergoes cell division and differentiation to form an embryo, which eventually develops into a new individual.
Fertilization is a crucial process in sexual reproduction, ensuring genetic diversity and variability in the offspring. It is also an important step in reproductive technologies such as in vitro fertilization (IVF), which involves fertilizing the egg outside the body and then implanting the resulting embryo into the uterus.
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Негізгі бет what is Fertilization? | Biology | NEET 2023
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