1. JUST DISORDERS

2. What disorder is it? Hemophilia Sickle cell anemia
Mutation in the blood clotting protein makes
person unable to stop bleeding after an injury _______________
Mutation in hemoglobin causes red blood
cells to change shape and ____________________
clog up blood vessels
Mutation causes mental retardation
if foods containing phenylalanine are eaten _____________________
Three #21 chromosomes are present
causing mental retardation _______________________
Mutation in ion channel protein causes thick mucous to clog up lungs and digestive organs _______________________
Hemophilia
Sickle cell anemia
Phenylketonuria (PKU)
Down syndrome
Cystic fibrosis

3. What disorder is it? Huntington’s Muscular dystrophy Colorblindness
Gradual deterioration of the brain that appears during middle age ____________________
Progressive weakening of muscle proteins resulting in inability to walk and eventually death _________________________
Inability to distinguish between the colors red and green _____________________
Only one X and no y chromosome ____________________
An X linked disorder (There is more than one right answer here) __________________
Huntington’s
Muscular dystrophy
Colorblindness
Turner syndrome
Muscular dystrophy Colorblindness
Hemophilia

4. Dominant/recessive? Autosomal/X-linked/nondisjunction
Phenylketonuria ____________________
Down syndrome ____________________
Sickle cell anemia _____________________
Klinefelter syndrome ____________________
Huntington’s _______________________
Autosomal recessive
nondisjunction
Autosomal CODOMINANT
nondisjunction
Autosomal dominant

5. Dominant/recessive? Autosomal/X-linked/nondisjunction
Turner syndrome ____________________
Cystic fibrosis ____________________
Hemophilia _____________________
Colorblindness __________________
Achondroplasia ____________________
Nondisjunction
Autosomal recessive
X-linked recessive
X-linked recessive
Autosomal dominant

6. What disorder is it? Phenylketonuria (PKU) Klinefelter syndrome
Inability to break down phenylalanine ____________________ eating food containing this amino acid causes mental retardation
Males with an extra X chromosome ______________________ (XXY) karyotype; some female features; infertility
Build up of lipids in brain causes
blindness, retardation, early death __________________________
A autosomal Dominant disorder (There is more than one right answer here) __________________
Phenylketonuria (PKU)
Klinefelter syndrome
Tay-Sach’s
Huntington’s OR
Achondroplasia

7. Name 3 disorders that are:
Autosomal recessive X linked recessive
_______________ _______________
________________ _______________
Phenylketonuria (PKU)
Tay-Sachs
Cystic fibrosis
Hemophilia
Colorblindness
Muscular dystrophy
Name 3 disorders that are
caused by nondisjunction:
___________________
Down syndrome
Turner’s syndrome
Klinefelter’s syndrome

8. Name disorders that are:
Autosomal Dominant
________________
Huntington’s
Achondroplasia
Autosomal
Codominant
___________________
Sickle cell disease