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Theme: “Who we are to become begins long before birth.�
Each of us began life as a single cell weighing about one twenty-millionth of an ounce (Santrock 77)! From the moment of conception, all individuals are the same, what happens after this is what shapes us into different special people. We are all composed of DNA, and each of us has completely different strands which make up our unique identity. DNA produces what is known as genes that influence our genetic makeup. These genes get passed down from generation to generation and help shape who we become. How they get passed down can be explained through three processes; mitosis, meiosis and fertilization.
Mitosis is a process in which our cells duplicate themselves and divide into two matching cells with 23 chromosomes. Another type of cell division called meiosis-forms eggs and sperm (Santrock 78). During meiosis, a cell of t testes (in men) or ovaries (in women) duplicates its chromosomes but then divides twice,......

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Approximate Word Count: 1581
Approximate Pages: 7 (250 words per double-spaced page)

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