Answer: A gene is a sequence of nucleotides in DNA or RNA that encodes the synthesis of a gene product, either RNA or protein. A chromosome is a long DNA molecule with part or all of the genetic material of an organism. A allele is one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
Radiation is used for X-rays, MRIS, any type of cancer killing. Too much of radiation can be a dangerous thing... you could end up dying from a lot of exposure.
