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