If we compare the human body to a building, its "floor plan" and design, including all the particulars and technical details, are all spelled out in DNA which is contained in the nucleus (Figure 2.1).
The development of a baby in its mother's womb and after birth is regulated according to a specific program. The perfect organization of a person's development is expressed in the Qur'an as follows:
Does man reckon he will be left to go on unchecked? Wasn't he a drop of ejaculated sperm, then a blood-clot which He created and shaped? (Qur'an, 75:36-38)
While you were still a fertilized egg cell in your mother's womb, all the characteristics that you would possess in the future were determined by God, and organized, and placed in your DNA. At 30 years of age, the characteristics you possess-such as height, color, blood group, facial features-were all encoded in the nucleus of your single original cell at the time of fertilization, 30 years and nine months earlier.
The information in DNA does not determine only physical features, like the ones just mentioned. It also controls the thousands of different events and systems that take place in the cell and the entire body. For example, even information about whether your blood pressure will be low, high or normal is contained within your DNA.
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1. Nucleolus
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2. Nuclear Membrane
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Figure 2.1 Diagram of the nucleus found at the center of the cell
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