What is define of zygote?

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By the fusion of male and female gametes a single nucleus is formed which is leads to the formation of fertilosed egg is called zygote

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Fusion of male and female gamete form an egg call zygote

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A diploid cell resulting from the fusion of two haploid gametes; a fertilized ovum.

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Definition of Zygote

A zygote is the initial cell formed when two gametes, typically an egg cell (ovum) and a sperm cell, fuse during a process called fertilization. It marks the beginning of a new individual's development in sexually reproducing organisms. The zygote contains the complete set of genetic information, combining the genetic material from both parents, and holds the potential to develop into a complex organism through a series of mitotic cell divisions.

Key Points:
- Zygote: The initial cell formed through fertilization.
- Fusion: The process by which an egg cell and a sperm cell combine to form a zygote.
- Genetic Information: The zygote contains a complete set of genetic material from both parents.
- Development: The zygote has the potential to develop into a complex organism.
- Mitotic Cell Divisions: The zygote undergoes multiple rounds of cell division to grow and differentiate.

Formation of a Zygote:
1. Fertilization: After sexual reproduction, the sperm cell enters the egg cell, resulting in the fusion of their genetic material.
2. Genetic Combination: The genetic material from the sperm, which carries the father's DNA, combines with the genetic material from the egg, which carries the mother's DNA. This fusion creates a single cell with a complete set of genetic instructions.
3. Zygote Formation: The fused cell is now known as a zygote, representing the beginning stage of development for a new organism.

Development of the Zygote:
1. Cell Division: The zygote undergoes mitotic cell divisions, where it divides into two cells, then four, eight, and so on. These divisions allow the zygote to grow and develop into a multicellular organism.
2. Differentiation: As the zygote continues to divide, the cells begin to specialize and take on specific functions. This process is known as cellular differentiation and leads to the formation of different tissues and organs.
3. Implantation: In many organisms, including humans, the zygote implants itself into the uterine wall, where it receives nourishment and continues to develop.
4. Embryonic Development: The zygote develops into an embryo, which undergoes further growth and organ formation.
5. Fetal Development: In humans, the zygote eventually develops into a fetus, continuing to grow and mature until birth.

Conclusion
In summary, a zygote is the initial cell formed through the fusion of an egg and sperm during fertilization. It contains the complete set of genetic material from both parents and has the potential to develop into a complex organism. Through mitotic cell divisions and cellular differentiation, the zygote transforms into an embryo and later a fetus, ultimately leading to the birth of a new individual.

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A zygote is an egg that has been fertilized by sperm, and which could develop into an embryo.

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A diploid cell resulting from the fusion of two haploid gametes; a fertilized ovum......

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Zygote is a cell which forms by the fusion of male and female gamete that  is by syngany or fertilisation .

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Fusion of male and female gamets.....

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A cell  that starts the process of forming a baby person or animal, formed by the joining together of a male and a female gamete

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