EFFECTS OF THE DIFFERENT GENOTYPE ON THE PHENOTYPE
Genotype:
- All or part of one X chromosome missing
Resulting phenotype possibilities:
- Short stature
- swelling of the hands and feet
- broad chest ("shield" chest)
- widely spaced nipples
- low hairline
- low-set ears
- reproductive sterility
- lack of pubertal changes (no menstrual cycle)
- increased weight, obesity
- shield shaped thorax of heart
- shortened metacarpal IV
- Small fingernails
- webbed neck from cystic hygroma in infancy
- high waist-to-hip ratio
- ADHD
- problems with math, social skills, and spatial relations
- etc.
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