Overview of genetic disorders

Question 1

Are any diseases solely the result of genetics or solely the environment?

Answer 1

Nope. Is a continuum of environmental conditions and genetics that influence the development and phenotype of a disease

Question 2

What types of diseases have significant contributions from both genetics and the environment?

Answer 2

Complex multifactorial diseases like heart disease and diabetes

Question 3

What types of diseases have a strong genetic influence and less of an environmental contribution?

Answer 3

Mendelian diseases like cystic fibrosis

Question 4

What types of diseases have a strong environmental influence and less of an genetic contribution?

Answer 4

Infectious diseases

Question 5

What is a Mendelian disease?

Answer 5

A disease where the presence or absence of the disease depends on a single locus. It has characteristic inheritance patterns

Question 6

What is a complex disease?

Answer 6

A disease where the presence or absence of the disease depends on multiple loci with different contributions and substantial environmental influence. They have complex inheritance patterns

Question 7

Are most human diseases Mendelian or multifactorial?

Answer 7

Multifactorial