Epigenetics and Gene Expression Quiz Explore 11 questions on epigenetics, covering DNA methylation, histone modification, environmental influences, and therapeutic approaches. Test your understanding now!
#1
The study of changes in gene expression that do not involve changes to the underlying DNA sequence
The study of changes in the DNA sequence that affect gene expression
The study of genetic mutations
The study of gene splicing
#2
It increases gene expression
It decreases gene expression
It has no effect on gene expression
It repairs damaged DNA
#3
DNA mutation
Chromosomal rearrangement
Histone acetylation
RNA splicing
#4
It promotes gene expression
It inhibits gene expression
It has no effect on gene expression
It regulates DNA replication
#5
DNA polymerase
Methyltransferase
RNA polymerase
Helicase
#6
They promote translation of mRNA into proteins
They inhibit translation of mRNA into proteins
They enhance transcription of mRNA
They have no role in gene regulation
#7
Epigenetic changes have no impact on development
Epigenetic changes can influence development without altering the DNA sequence
Epigenetic changes only occur after development is complete
Epigenetic changes always result in genetic mutations
#8
DNA methylation involves the addition of methyl groups to DNA, while histone modification involves changes to histone proteins
DNA methylation involves changes to histone proteins, while histone modification involves the addition of methyl groups to DNA
DNA methylation and histone modification are the same process
DNA methylation involves the addition of acetyl groups to DNA, while histone modification involves changes to histone proteins
#9
They have no effect on epigenetic modifications
They can alter epigenetic marks, potentially affecting gene expression
They directly change the DNA sequence
They only affect histone modifications
#10
Epigenetic marks are always passed on from parents to offspring
Epigenetic marks can be erased and reestablished during development
Epigenetic marks are always permanent and cannot be changed
Epigenetic inheritance is solely determined by DNA sequence
#11
They prevent cell differentiation
They promote cell differentiation
They have no effect on cell differentiation
They inhibit gene expression
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