Open AccessElectron microscopic analysis of the banding pattern in the salivary gland chromosomes of Drosophila melanogaster
Author(s) -
SAURA ANJA O.,
SORSA VEIKKO
Publication year - 1979
Publication title -
hereditas
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.819
H-Index - 50
eISSN - 1601-5223
pISSN - 0018-0661
DOI - 10.1111/j.1601-5223.1979.tb01292.x
Subject(s) - biology , salivary gland , electron microscope , drosophila melanogaster , chromosome , melanogaster , x chromosome , anatomy , evolutionary biology , genetics , physics , optics , gene , biochemistry
An electron microscopic analysis of the divisions 21 and 22 in the salivary gland chromosome 2L of Drosophilo melanogoster reveals at least 88 recognizable bands. This number is 35% more than given (65) in the revised light microscopic map of P. N. B ridges and 83% more than drawn by C. B. B ridges (48) in his original light microscopic map for these divisions. The number and definition of double bands in comparison with pairs of equal bands appears to be difficult to establish in electron microscopy.