Question: Take a look at solved problem S3 before answering this question. Drosophila embryos carrying a ts mutation were exposed to the permissive (25°C) or nonpermissive

Take a look at solved problem S3 before answering this question. Drosophila embryos carrying a ts mutation were exposed to the permissive (25°C) or nonpermissive (30°C) temperature at different stages of development. Explain these results.

Time After Fertilization (hours): Group 3 5 25C 25C 25 C 25 30" 25"C Yes 4 0-1 1-2 2-3 3-4 4-5 5-6 SURVIVAL 25" 25C 25C 25" 25C 30C 25 25C 25C 25 C 30C 25 C 25" 25" 25C 30" 25" 25" 25'C 25" 25" 25 25C 25" Yes No No Yes

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