Pyotr Ilyich Tchaikovsky (1840-1893) Most famous Russian classical music composer wrote in a variety of genres. He composed symphonies, operas, concertos, chamber music, sacred choral music, overtures, suites and ballets.
Medical Definition of Dizygotic twin. Dizygotic twin: A twins who have shared a common uterine environment with its twin but is due to a different fertilized ovum. Dizygotic twins are also called fraternal twins. Last Editorial Review: 6/9/2016.
Non-identical twins form when two eggs are fertilized at the same (or nearly the same) time. The medical term for fraternal twins is dizygotic, which means that they are formed from two separate zygotes. They share about 50% of the DNA of their parents. Identical twins form from a single egg that is fertilized and then splits into two. The medical term for identical twins is monozygotic, meaning that they form from a single zygote. Identical twins share 100% of their DNA. But there is a third type that is in-between.