| Question | Answer |
| short, webbed neck, often sterile, female | Turner's syndrome
|
monosomy=single X chromosome (XO), total of 45 chromosomes2 | Turner's syndrome2
| almond-shaped eyes, flabby muscle tone, thick tongue, varying degrees of mental retardation | Down's Syndrome
| trisomy= extra chromosomes #21, total of 47 chromosomes | Down's Syndrome
| tall, acne-prone, small breast, underdeveloped testicles, sterile, male | Klinefelter's Syndrome
| trisomy=extra sex chromosomes (XXY), total of 47 chromosomes | Klinefelter's Syndrome
| lack of pigmentation (melanin), pale skin tone, pink eye, white hair, very sensitive to the sun | albinism
| gene mutation, caused by recessive gene, only appears in the homozygous recessive condition | albinism
| inability to metabolize the amino acid phenylalanine, builds up in the brain and causes brain damage, prevented with modifications in diet | PKU
| caused by recessive autosomal gene that must be passed on to the child from both parents | PKU
| free bleeders disease, blood lacks a protein that enables it to clot or coagulate, individuals with this disease cannot play contact sports | Hemophilia
| sex-linked trait, caused by a recessive gene carried on the X chromosomes, most often found in males | Hemophilia
| red blood cells become sickle shaped and are unable to carry oxygen, these abnormal cells block blood vessels causing damage to organs and severe cramping | Sickle Cell Anemia
| caused by a recessive autosomal gene that must be passed on to the child from both parents, most common in African American | Sickle Cell Anemia
| thick layer of mucus lining and digestive tract, prone to respiratory disease and digestive problems, premature death | Cystic Fibrosis
| caused by a recessive autosomal gene that must be passed on to the child from both parents, most common in Caucasians | Cystic Fibrosis |
