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To investigate transformer (tra) gene expression during sex determination in Drosophila, you perform in situ hybridization (FISH) and immunostaining. Fill in the table with the results you expect to observe following the example given in the first row.
Experiment
Female embryos
Male embryos
Immunostaining with an antibody to Sxl protein
stain positively
no staining
FISH with a probe to exon 2 of tra
FISH with a probe to exon 3 of tra
Immunostaining with an antibody to Tra protein
Match sex phenotype to each genotype of a transformer mutant fly:
XX: ___________________________; XY: ________________________
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