Drosophila lacertosa is widely distributed from northern India to Far East of Russia throughout China. We have studied geographical distributions of three kinds of chromosomal karyotypes, type D ...

In about 15% of the animal and plant species, the karyotype of some individuals contains one or more chromosomes in excess of the basic set (Bukeboom, 1994). The properties of these supernumerary ...

The term "karyotype" refers to the chromosomal pattern inside the nucleus of an animal cell (eukaryote), as well as to describes the set of chromosomes in a species or in an individual organism.