The dinucleotide CG is underrepresented in the human genome because
A) it is highly deleterious in most genomic locations due to methylation.
B) methylcytosine is highly susceptible to spontaneous deamination, resulting in the TG dinucleotide.
C) methylcytosine is read as an thymine during replication, resulting in the CA dinucleotide.
D) methyltransferases cannot methylate cytosines when a guanine is the next nucleotide.
Correct Answer:
Verified
Q1: As a general rule, cytosine DNA methylation
Q2: CpG islands have all of the following
Q4: During DNA replication, methylation is
A) maintained by
Q5: When the allele choice is determined by
Q6: For imprinted genes, selection of the active
Q7: Which statement is not true about imprinted
Q8: Which of the following is not a
Q9: Insulin-like growth factor 2 receptor (Igf2r) gene
Q10: Imprinted genes are regulated by imprinting control
Q11: X chromosome inactivation in humans is
A) random
B)
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