*HGD The Womb
Help!
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| zygote | One celled organizm
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| monozygote | one egg - full splitting - identical twins
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| diazygotic | two eggs- fraternal twins
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| 23 pair of chromosomes | 46 total - one from each side
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| autosomes | pair 1 - 22 (mitosis)
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| Pair 23 = sex chromosomes | (meiosis)
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| discovered double helix | crick & watson
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| Gene Mapping | has identified many genetic disorders, physical & mental
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| Nature vs Nurture | Research suggests 50/50 genetic/environment
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| XX | Women
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| Xy | Men
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| Implantation occurs when | 6 - 10 days after fertilization
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| Percent that have disorder | 3 - 5 %
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| how many chromosomal disorders | 5,000 - 6,000
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| Baby's vision at birth? | 20/600
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| XXy | Kleinfelter syndrome = female characteristics at puberty - feminine boys
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| Fragile X syndrome | butch girls
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| X only | Turner syndrome - webbed neck, short stature, loss of ovarian function
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| Genotype | Full Genetic make up
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| Phenotype | Outward expression of a gene (visable)
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| Alzheimer's | slow cognitive decline over time`
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| Cystic Fibrosis | Recessive disorder - characterized by lots of mucous obstruction
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| Sickle Cell | Barbed Blood cells
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| Type 1 Diabetes | early onset (childhood)
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| Type 2 Diabetes | late onset (more common)
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| Hemophilia | Free bleeders - x linked
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| Tourette's syndrome | ticks, jerks, blinks, verbal obscenities uncontrolled
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Created by:
Shyanne