# data[].attributes.body
a mutation affecting a group of genes or an entire chromosome, usually caused by malfunction during meiosis. (Klinefelter's syndrome, Turner's Syndrome, Down Syndrome.)

# data[].attributes.body
a mutation affecting a single gene (sickle-cell disease, Tay-Sachs disease, Huntington's disease, Cystic fibrosis, Hemophilia A or albinism).

# data[].attributes.body
the substitution, addition, or removal of a single nucleotide that occurs during replication and may or may not affect the production or function of the protein for which the gene codes.

# data[].attributes.body
the alteration of an organism's DNA resulting from a malfunction during the processes of mitosis or meiosis or from exposure to a physical or a chemical agent, a mutagen.