Polytene Chromosomes are formed by

Assetion . Polytene chromosomes have a high amount of DNA. Reason Polytene chromosomes are formed be brepeated replication of chromosomal DNA without separation of chromatids

Polytene chromosomes are formed due to

Polytene chromosomes are formed due to

Polytene chromosomes are observed in____of Drosophila.

Assertion (A) :- polytene chromosomes have a high amount of DNA . Reason( R) :- poly chromosomes are formed by repeated chroomtids.

Polytene chromosomes were first observed by

Polytene chromosomes were discovered by

Polytene chromosomes were discovered in