Genetics

Question 1

A genetic trait or condition that only requires a copy of the gene from ONE parent to cause the genetic condition.

Answer 1

Autosomal Dominant

Question 2

What is the likelihood that an Autosomal Dominant gene will be passed to a child?

Answer 2

50%

Question 3

What are some diseases that are autosomal dominant?

Answer 3

Marfan Syndrome
Huntington’s Disease
Achondroplasia (Dwarfism)

Question 4

Two copies of a gene are required to cause the disorder. (One copy from each parent)

Answer 4

Autosomal Recessive

Question 5

What is the likelihood that an Autosomal Recessive gene will be passed on to the child?

Answer 5

25%

Question 6

What are some diseases that are Autosomal Recessive?

Answer 6

Cystic Fibrosis
Sickle Cell
Tay-Sachs
Phenylketonuria

Question 7

What are some examples of X-Linked Dominant diseases?

Answer 7

Rett Syndrome
Vitamin D-resistant Rickets
Aicardi Syndrome
Incontinentia Pigmenti

Question 8

What are some examples of X-Linked Recessive diseases?

Answer 8

Duchenne Muscular Dystrophy
Color Blindness
Hemophilia
Androgen Insensitivity Syndrome