In an egg cell treated with a chemical that binds calcium and magnesium ions, the fertilization envelope would not be formed.
Therefore, the correct answer is Option D.
What are the components of an egg cell?
- The egg cell is the female gamete or reproductive cell.
- An egg consists of several components like nucleus, cytoplasm, zona pellucida and corona radiata.
- A nucleus consists of the genetic information of the egg in the form of genes.
- A cytoplasm is a viscous, gel like substance which contains several organelles in it. Most of the activities of the egg occur in the cytoplasm.
- The egg wall also known as zona pellucida is a multilayered outer membrane of the egg cell. This structure allows the sperm to enter the egg for fertilization.
- Corona radiata forms the outer layers of egg consisting of follicle cells.
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