The triplication of a region of chromosome 21 around D21S55 in 21q22.2–22.3 has been involved in the main features of Down syndrome including mental retardation (Down syndrome chromosome region: DCR).
Facioscapulohumeral muscular dystrophy (FSHD) is a degenerative disease of muscles which affects specific muscle groups and displays a variety of phenotypic expression. The inheritance pattern of FSHD ...
Enzymes that cut DNA at specific sites are called endonucleases; these enzymes play many roles in genomic replication, fidelity, and defense. The initial discovery of restriction endonucleases in the ...