PHENOMENA OF INHERITANCE
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| Dominant | Recessive
| |
| Hypotrichosis (hairlessness associated with lack of teeth). | Normal. | |
| Kidneys: | ||
| Diabetes insipidus. | Normal. | |
| Diabetes mellitus. | Normal. | |
| Normal. | Alkaptonuria (urine dark after oxidation). | |
| Nervous System: | ||
| Normal condition. | General neuropathy, e. g., | |
| Hereditary epilepsy. | ||
| Hereditary feeblemindedness. | ||
| Hereditary insanity. | ||
| Hereditary alcoholism. | ||
| Hereditary criminality. | ||
| Hereditary hysteria. | ||
| Normal. | Multiple sclerosis (diffuse degeneration of nerve tissue). | |
| Normal. | Friedrieh's disease (degeneration of upper part of spinal cord). | |
| Normal. | Meniere's disease (dizziness and roaring in ears). | |
| Normal. | Chorea (St. Vitus dance). | |
| Huntington's chorea. | Normal. | |
| Muscular atrophy. | Normal. | |
| Normal. | Thomsen 's disease (lack of muscular tone). | |
| Eyes: | ||
| Hereditary cataract. | Normal. | |
| Pigmentary degeneration of retina. | Normal. | |
| Glaucoma (internal pressure and swelling of eyeball). | Normal. | |
| Coloboma (open suture in iris). | Normal. | |
| Displaced lens. | Normal. | |
| Ears: | ||
| Normal. | Deaf-mutism. | |
| Normal. | Otosclerosis (thickened tympanum with hardness of hearing). | |
| SEX-LINKED CHARACTERS | ||
| Recessive characters, appearing in male when simplex, in female only when duplex. | ||
| Normal. | Gower 's muscular atrophy. | |
| Normal. | Hæmophilia (slow clotting of blood). | |
| Normal. | Color-blindness (Daltonism; inability to distinguish red from green). | |
| Normal. | Night blindness (inability to see by faint light). | |
| Normal. | Neuritis optica (progressive atrophy of optic nerve). | |
