Genetics - Genetic Disorders

Question 1

genetic disorders

Answer 1

• dominant and recessive
• most disorders that occur in humans are recessive
• most people with recessive disorders had parents who are carriers

Question 2

recessive disorders

Answer 2

• albinism: lack of pigment throughout the organism
• cystic fibrosis: build-up of mucus
• sickle-cell anemia: red blood cells are shaped like half-moons

Question 3

dominant disorders

Answer 3

• achondroplasia (dwarfism)
• huntington’s disease
• hypercholesterolemia

Question 4

pedigree

Answer 4

• a chart that shows the family tree and affected and unaffected individuals in terms of a genetic condition