Polytene chromosomes normal.
Nucleotide substitution: G2838A. Amino acid replacement: C755Y. This mutation is in the extracellular domain of the protein.
G26840117A
G2838A
C755Y | Tl-PB; C755Y | Tl-PC; C755Y | Tl-PD
C755Y
This mutation is in the extracellular domain of the protein.
Ventralised embryos.
Females carrying Tl1 produce embryos in which the ventral and lateral structures are enlarged at the expense of dorsal structures.
dominant
Germline mosaic analysis shows that Tl is required in the germline.
Class I allele.
Class I Tl allele.