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Chapter 3
Unit 2
Term | Definition |
---|---|
Chromosomes | Bundles of DNA and Protein |
Autosomes | 22; same for everyone |
Sex chromosomes | XX & XY |
DNA | Chemical carrier of genes |
Gene | Coded instructions for development |
Genome | Entire human |
Genotype | Internal characterists |
Dominant | Common |
Recessive | Uncommon |
Phenotype | External characteristics |
Monozygotic | identical twins, 1 egg |
Dizygotic | fraternal twins, 2 eggs |
Temperament | Attitude |
Easy | 40%, happy |
Slow to warm up | 15% |
Difficult (colic) | 10% unhappy |
Mixture | 35% |
Turner's Syndrome | X- Female missing last chromosome |
Klinefelter's Syndrome | XXY few female characteristics |
XYY Syndrome | XL Man, mental retardation |
Down Syndrome | Trisomy 21 mild mental retardation, physical features |
Gender schema | cognitive |
Gender Identity | Physical differences |
Gender role | Social expectations |
Gender-type | Over simplified expectations |
Androgyny | males accept more feminine role, females accept more masculine role |