hypomorphic allele - genetic evidence
The P{XP} insertion is inserted 200bp upstream of the Spn27A ATG, within the 5' UTR.
embryonic dorsal epidermis (with Df(2L)BSC7)
Spn27Ad03636/Df(2L)BSC7 results in embryos with a complete loss of dorsal epidermis. The cuticle consists of fragments of ventral epidermis.