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childpsych ch2 - Child Psychology Ch 2 Notes Genetic...

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Child Psychology Ch. 2 Notes Genetic Foundations Phenotype- how you actually develop, physical and behavioral characteristics Genotype- genetic makeup, huge impact on morphological change ex. eye color, physical attributes Genetic Foundations Nucleus- main part of the cell body that contains chromosomes Chromosomes - store and transmit genetic information Deoxyribonucleic acid (DNA)- acid in the chromosomes Gene- contain instructions for proteins, segment of a DNA molecule, not a blueprint Cell Generation Mitosis- cells duplicate forming 2 new identical cells (46 chromosomes) cell duplicates itself Meiosis- a cell halves itself through cell division forming 2 gametes (23 chromosomes) The Sex Cells Gametes- human sperm and ova Crossing over- exchange of genes between chromosomes in meiosis, ensures variability survival of species Zygote- union of sperm and ovum, single cell organism Boy or Girl?
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childpsych ch2 - Child Psychology Ch 2 Notes Genetic...

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