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.
Heterozygote. Definition. noun, plural: heterozygotes. A nucleus, cell or organism possessing two different alleles for a particular gene. Supplement. An example is a zygote having one dominant allele and one recessive allele for a particular gene.Word origin: hetero (different) + zygote. Related forms: heterozygous (adjective). Compare: homozygote. See also: zygote. Related term: 1  Compound heterozygote.n example is a zygote having one dominant allele and one recessive allele for a particular gene. Word origin: hetero (different) + zygote. Related forms: heterozygous (adjective). Compare: homozygote. See also: zygote. Related term: 1  Compound heterozygote.