Reference no: EM1385781
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