giant chromosome मीनिंग इन हिंदी

Giant chromosomes in the lampbrush form are useful model for studying chromosome organization, genome function and gene expression during meiotic prophase, since they allow the individual transcription units to be visualized.
In particular, Dr . Pavan introduced into biology the cytogenetical study of " Rhynchosciara angelae ", a fly which is noted for its giant chromosomes, thus facilitating the determination of the loci of genes.
He worked with and encouraged his doctoral students to study, among other things, hereditary tumors in animals, fish polygenic sex determination, freshwater and marine fish in Anatolia, animal species systematics, giant chromosome structure, fish intersexuality, DDT effects, and symbiotic nitrogen fixation in bacteria