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10 Cards in this Set
- Front
- Back
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Nature
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What a person inherits in ones genes.
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Nurture
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What you learn from the surrounding world.
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Genes
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Basic units of heredity. Determine many characteristics.
Ex: eye color, hair color |
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All cells
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46 chromosomes (23 pairs) except sex cells.
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Reproductive cells
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Only have 23 chromosomes. (Egg & Sperm)
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Mono-zygotic twins
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(Identical) they develop when a fertilized egg divides into 2 separate embryos.
Same genes and heredity |
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Di-zygotic twins
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(Fraternal) they develop from 2 separate fertilized eggs. No more alike than any sibling pair.
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What is development?
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It is not a random process. It's orderly and specific.
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What is maturation?
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The automatic, orderly and sequential process of physical and mental development.
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What are twins used for?
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Nature vs nurture questions. Researcher believe that 50% of personality traits and intelligence are inherited.
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