Heredity and Genetics

Question 1

Chromosomes are composed of DNA.

Revolt · Accepted Answer

T

Question 2

Which of the following are types of hereditary disorders?

Revolt · Accepted Answer

single-gene and chromosomal

Question 3

Cystic fibrosis is a disease that __________.

Revolt · Accepted Answer

makes it difficult to breathe

Question 4

Genes are segments of a chromosome that are responsible for specific hereditary traits.

Revolt · Accepted Answer

T

Question 5

Which of the following statements BEST describes DNA?

Revolt · Accepted Answer

All living things contain DNA.

Question 6

Gene testing is foolproof since it scans the building blocks of humans.

Revolt · Accepted Answer

F

Question 7

Dominant traits include __________.

Revolt · Accepted Answer

cleft chin and free earlobes

Question 8

Gene therapy is a process whereby normal genes are injected to replace abnormal genes. Please select the best answer from the choices provided.

Revolt · Accepted Answer

T

Question 9

Complex diseases are caused by imperfections in multiple genes.

Revolt · Accepted Answer

T

Question 10

When describing Down syndrome, it's important to note that __________.

Revolt · Accepted Answer

it is usually caused by three copies of chromosome 21

Heredity and Genetics Answers