DNA methyltransferase is an enzyme that belongs to the family that serves the purpose of catalyzing the transfer of the -CH3 group to the DNA molecule. The process of DNA methylation promotes a large number of biological functions. The methyl group is donated by S-adenosyl methionine in all the reactions catalyzed by the very enzyme.
There are three different types of DNA methyltransferases i.e. m6A, m4C, m5C and this classification is based upon the chemical reactions they catalyze. m4C methyltransferase is found in the prokaryotic cells, m6A is found in the eukaryotic cells in an abundant amount whereas m5C is present in lower eukaryotes and in many higher plants as well.
Meiotic nondisjunction is much more likely than mitotic nondisjunction. Based on
A woman who is heterozygous, Bb, has brown eyes;
Explain why familial breast cancer shows a dominant pattern of inheritance in
How is an F′ factor different from an F factor?
With regard to the timing of conjugation, explain why the recipient
The raw material for evolution is random mutation. Discuss whether or
Why is an antibody used in this experiment? From
Explain the type of speciation (allopatric, parapatric, or sympatric
In fruit flies, curved wings are recessive to straight wings,
A recessive allele in mice results in an unusally long neck.
