Below is a picture of transgenic zebrafish. Zebrafish naturally have black and white stripes. Why are...

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Answer #1

Solution :- They were exposed SearGeet with ane fluorescentner to radiation causing mutants that

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Below is a picture of transgenic zebrafish. Zebrafish naturally have black and white stripes. Why are...

Below is a picture of transgenic zebrafish. Zebrafish naturally have black and white stripes. Why are these zebrafish fluorescent? They cannot fluoresce. The colors in this picture are the result of a manipulation of the image. O They are the result of an addition of a gene that encodes for a fluorescent protein. The gene that controls normal coloration was knocked out, enabling the underlying fluorescence to show. They were exposed to radiation causing mutants that are fluorescent.
2. A dominant allele H reduces the number of body bristles that Drosophila flies have, giving...

2. A dominant allele H reduces the number of body bristles that Drosophila flies have, giving rise to a “hairless” phenotype. In the homozygous condition, H is lethal. An independently assorting dominant allele S has no effect on bristle number except in the presence of H, in which case a single dose of S suppresses the hairless phenotype, thus restoring the "hairy" phenotype. However, S also is lethal in the homozygous (S/S) condition. What ratio of hairy to hairless flies...