Hereditary Diseases

What are genes?

• Segments of DNA coding for traits

• Proteins that fight infections

• Cells that carry oxygen

• Hormones regulating growth

What can cause a mutation?

• Errors in gene instructions

• Excessive exercise

• High protein diet

• Drinking water

Which type of hereditary disease involves one defective gene?

• Single-Gene

• Complex

• Chromosomal

• Autoimmune

What is a complex hereditary disease?

• Caused by multiple genes and lifestyle

• Caused by one gene only

• Caused by bacteria

• Caused by viruses

Which disease is an example of a chromosomal disorder?

• Down Syndrome

• Asthma

• Arthritis

• Diabetes

How many chromosome pairs do humans normally have?

• 23

• 46

• 22

• 24

Which of these is a complex disease?

• Heart disease

• Down Syndrome

• Turner Syndrome

• Patau Syndrome

What lifestyle choice can reduce risk of complex diseases?

• Healthy diet

• Skipping meals

• Smoking

• Avoiding exercise

What happens in autoimmune diseases?

• Immune system attacks body cells

• Immune system strengthens

• Immune system ignores infections

• Immune system produces extra blood

Which is an autoimmune disease?

• Multiple Sclerosis

• Asthma

• Allergy

• Down Syndrome