Tamera Mowry has a fraternal twin.
She first gained fame for her teen role as Tamera Campbell on the ABC/WB sitcom Sister , Sister -LRB- opposite her identical twin sister Tia Mowry -RRB- .	ABC	American Broadcasting Company	WB	The WB	sitcom	situation comedy	identical twin	identical twin	Tia Mowry	Tia Mowry
Twins can be either monozygotic -LRB- `` identical '' -RRB- , meaning that they develop from one zygote , which splits and forms two embryos , or dizygotic -LRB- `` fraternal '' -RRB- , meaning that they develop from two different eggs .	zygote	zygote
