Evolution of the dec-1 eggshell locus in Drosophila. II. Intraspecific DNA sequence analysis reveals length mutations in a repetitive region in D. melanogaster.

Abstract excerpt

The dec-1 eggshell gene in Drosophila melanogaster encodes follicle cell proteins required for proper eggshell assembly. As shown by Southern and Northern analyses the dec-1 gene occurs in four alleles (Fc1-4) among wild-type strains. Its second exon has a distinct feature in the form of 12 repeats with 78-91 nucleotides; the first five show nearly 100% homology. DNA sequence comparison of the repeated region of...

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