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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 |