1. Karyotypes and Genetic Disorders

2. Normal Male

3. Normal Female

4. Metafemale / Triple X Syndrome

5. Only affecting females
Inherit 3 X chromosomes
Usually an inch or so taller
Unusually long legs and slender torsos
Normal sexual characteristics
Fertile
Slight learning difficulties
1/1000

6. ???

7. Down Syndrome 3 chromosomes on pair 21 Short and stocky
Shorter appendages
Broad faces with saddle back nose profiles
Thicker tongues
Incidence goes up rapidly with age of mother

9. ???

10. XYY Syndrome Affecting only males Inherit extra Y chromosome
Tall, over 6 feet
Act normal
Severe acne during adolescence
Many are unaware of having abnormality
1/900 – 1/2000 depending on different studies

11. ???

12. Turner Syndrome Only one X chromosome Genotype is XO
Average height is 4’7”
Webbed Necks (extra folds of skin)
Small breasts
Ovaries don’t develop normally
Sterile
Slight mental retardation
1/3,000-1/10,000

14. ???

15. Klinefelter’s Syndrome
XXY or more rarely XXXY or XXXXY
Asexual to feminine body
Enlarged breasts
Little body hair
Sterile
Small penis, testis, and prostate gland
Many have normal appearance
1/500 – 1/1000