The process of fertilization is defined as the fusion of male and female gametes to form a diploid zygote. The zygote is the characteristics feature of sexual reproduction.
The correct answer is:
Option A. Zygote - Stem Cells - Cell differentiation
The sequence of formation of zygote to the organism:
1. Zygote is the diploid cellular structure, which is the first step in successful fertilization. It is the result of the fusion of male and female gametes.
2. The zygote undergoes repetitive division, known as cell differentiation. The cells are specialized and undergo developmental processes.
3. The stem cells are the cells, which can develop and specialize into any type of cell. These cells are formed after cellular differentiation.
Thus, the correct sequence is the zygote, cell differentiation, and stem cells.
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