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28 Cards in this Set
- Front
- Back
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Assimilation
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Kids just add new things to what they already know.
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Accomidation
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New information and they make a whole new idea of it.
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Dynamic System theory (premise)
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It's always changing, everything matters for development.
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Child's microsystem
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A child's immediate surroundings.
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Genotype
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Genetic information;made of DNA.
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Genes
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basic building blocks where and how information is stored.
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Phenotype
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physical appearance, facial features, hair color, eye color, skin color, gender.
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Mitosis
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DNA replicating itself over and over.
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Meiosis
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Production of sex cells (gametes)
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Meiosis (what does)
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46 chromosomes-->23 pairs.
SPLITS THEM UP |
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Gametes
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sex cells
sperm&ovum |
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Zygote
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cell created when sperm and ovum combine.
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Crossing Over
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chromosomes break and exchange segments
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Zygote has..
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23 pairs of chromosomes
22 autosomes 1 pair sex chromosomes |
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Female
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XX
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Male
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XY
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Dizygotic
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2 separate zygotes
fraternal no more alike than siblings |
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Monozygotic
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1 zygote that divides into 2
identical same genetic make up |
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Chromosomes
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2 alleles
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Homozygous
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when two alleles are same
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Heterozygous
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different
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1 allele
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affects characteristics
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Both alleles shown in phenotype
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example: red rose and white rose make pink rose!
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X linked inheritance
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abnormal
males affected more -small cut can cause fatal wound |
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Genomic Imprinting
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chemical marking that activates allele regardless of dominance
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Mutations
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sudden and permanent change
germline and somatic |
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Polygenic Inheritance
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multiple genes affect a characteristic
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Down Syndrome
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21st chromosome doesn't seperate
-child gets 3 chromosomes instead |
