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Table 1.

Heart cell migration in transgenic embryos

% Enhanced migration
% Reduced migration
% Normal migration
n% Normal+-+-+-% Other
Mesp-lacZ or GFP 95 84 1.1 1.1 2.1 11 
Mesp-VP16 104 7.6 3.4 52 2.5 20 14 
% Enhanced migration
% Reduced migration
% Normal migration
n% Normal+-+-+-% Other
Mesp-lacZ or GFP 95 84 1.1 1.1 2.1 11 
Mesp-VP16 104 7.6 3.4 52 2.5 20 14 

Embryos were only scored if they displayed normal morphology. Embryos often displayed altered migration on one side as a result of mosaic incorporation of the transgenes, so each side of the embryo was scored independently. The`Enhanced/Reduced migration' categories include embryos in which the majority of marked cells were found in the head/tail region, respectively. The `+/-'categories denote increased or normal number of GFP expressing cells,respectively. Each row represents the combination of two trials. For Mesp-VP16 the `Other' category consists of normal cell number and migration patterns, but abnormal anterior tail muscle morphology.

Numbers in bold indicate the most highly represented category for each treatment.

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