Question 1

1. Imprinted genes:

a. Provide an example of epigenetic inheritance

b. are near differentially methylated regions

c. are only transmitted by one parent

d. (a) and (b) only

e. none of the above

Question 2

1. The mechanism of silencing genes through epigenetics occurs:

a. specifically at (C) in RNA located in CpG islands

b. specifically on amino acids on histone tails

c. specifically at cytosine (C) in DNA located in areas where strings of C are located

d. specifically at cytosine (C) in DNA located in CpG islands

Question 3

1. Epigenetics refers to the modification of genes that affect the DNA sequence itself.

True

False

Question 4

1. DNA methylation is an epigenetic tag.

True

False

Question 5

1. All cells contain the same epigenetic tags.

True

False

Question 6

1. The epigenome is an inflexible structure that never changes.

True

False

Question 7

1. Epigenetic tags are NOT copied when the DNA is copied and passed onto daughter cells.

True

False

Question 8

1. Which of the following statements regarding epigenetics is FALSE?

a. there is no change in the underlying DNA sequence of the organism

b. genetic factors cause the organism's genes to behave (or express themselves) differently

c. may last for multiple generations and is therefore inheritable

d. these changes may remain through cell divisions for the remainder of the cell's life

Question 9

1. Which of the following is NOT a possible cause of epigenetic changes?

a. diet

b. exercise

c. environmental factors

d. nicotine and alcohol

e. DNA mutations

Question 10

1. What a mother eats before her child is born can alter the baby's epigenome.

a. True

b. False