Why are polytene chromosomes found in fly larvae?
Score: 4.5/5 (42 votes) Polytene chromosomes were first reported by E.G.Balbiani in 1881. Polytene chromosomes are found in dipteran flies: the best understood are those of Drosophila, Chironomus and Rhynchosciara. ... Thus polytene chromosomes form when multiple rounds of replication produce many s...