Expression of the dominant phenotype in the adult

If we make a cross of two phenotypically WT zebrafish, and we get the following results, what can we say about the genotype of those two WT looking parents from the following results:
Note: some dominant genes loose the expression of the dominant phenotype in the adult.? a. 46 funny looking embryos and 126 WT (check ratio with Chi)!

b. 100 funny looking embryos and 100 WT?
c. 150 funny looking embryos and 1000 WT (check ratio with Chi)!

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