We may apply Fleming's Left Hand Rule of Electromagnetism to determine how a charged particle behaves in a magnetic field. However, because the gamma rays do not have a charge on them, like alpha particles and beta particles do, they are not deflected.
Gamma rays are electromagnetic waves and its is a characteristic of electromagnetic waves that they have no charge.
The answer is B- Embryological Development.
Nuclear DNA is present in the nucleus of eukaryotic cells. When working with the DNA samples, the best source of nuclear DNA is hair root that anchors the whole shaft of hair. Hair root possesses cells that are called as keratinocytes.