Epigenetics is the study of heritable alterations in gene expression caused by ____.
A) mechanisms that do not alter any DNA sequence
B) the mutation of a single gene
C) translocations between alleles
D) environmental factors
E) replication and then improper repair of DNA coding mistakes
Correct Answer:
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Q26: During metabolism,cancer-causing _ are generated.
A) BRCA1 genes
B)
Q27: In the atmosphere,_depletion in certain regions of
Q28: If a cell begins to divide in
Q29: Genes that turn off or decrease the
Q30: In most cases,cancer-causing mutations _.
A) accumulate over
Q32: Formation of _ is an intermediate stage
Q33: The five-year survival rate of _ cancer
Q34: Abnormal epigenetic patterns of DNA _ are
Q35: With the sequence of the gene-coding regions
Q36: Common alleles of genes other than BRCA1
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