Indicate True (T) and False (F) Statements Below Regarding DNA

Short Answer

Indicate true (T) and false (F) statements below regarding DNA methylation in humans. Your answer would be a four-letter string composed of letters T and F only, e.g. TTTF.
( ) Methylation of adenines is the most common DNA methylation in humans.
( ) Methylated cytosine can be accidentally deaminated to produce thymine, leading to a C-to-T transition.
( ) Cytosine methylation often occurs within a 5?-CG-3? sequence.
( ) Shortly after fertilization, a genome-wide wave of demethylation takes place.