Mosaicism is a form of non-Mendelian inheritance wherein two or more cell populations with different genotypes exist in an organism, derived from a single zygote, as a result of experimental manipulation or to faulty distribution of genetic material during mitosis.
(December 2013) The helix piercing is a perforation of the helix or upper ear (cartilage) for the purpose of inserting and wearing a piece of jewelry. The piercing itself is usually made with a small gauge hollow piercing needle, and typical jewelry would be a small diameter captive bead ring, or a stud.
double helix (Watson-Crick helix) the structure of deoxyribonucleic acid (DNA), consisting of two coiled chains, each of which contains information completely specifying the other chain.elix. 1. spiral (2). 2. the superior and posterior free margin of the pinna of the ear. Î±-helix, alpha helix the structural arrangement of parts of protein molecules in which a single polypeptide chain forms a right-handed helix stabilized by intrachain hydrogen bonds.