Enojezični primeri (nepregledani od uredništva PONS)
angleščina
Repeated rounds of endocycling can lead to the production of polytene chromosomes in which sister chromatids are tightly configured in parallel arrays.
Each morphologically distinct group comprises a number of morphologically identical (sibling) species that can only be identified by rearing adult males or by cytogenetic analysis of the polytene chromosomes.