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wild-type le (normal eye) allele. Also. (3 pts) In Drosophila, the le (large eye

ID: 62261 • Letter: W

Question

wild-type le (normal eye) allele. Also. (3 pts) In Drosophila, the le (large eye) allele is recessive to the the fb (fat body) allele is female from a true breeding population crossed to wild-type males. Suppose that the fb X-Chromosome. What is the predicted number of offspring? 9. recessive to the wild-type fb' (normal body) allele. A large eye, fat body was crossed to a true breeding wild type male. F1 females were and le are on separated by 10 Centimorgans on the 450 450 - 1000 | 1000 normal body fat body Females normal eye normal eye 450 450 normal eye fat body large eye normal body normal eye normal body 250 450 45050 1000 50 50 450 50 Males arge eye fat normal eye fat body large eye normal body.250-50-0- 250 450 450 250 large eye fat body Most likely, the genes for leg size and body shape are A Column A Column A 9genes for le hormal B. Column B C. Columnc D. Column D Work space. 10. The function of DNA polymerase I includes A forming a phosphodiester bond using ATP for energy B. 5 to 3' RNA hydrolysis. C. 3' to 5' DNA synthesis D. 3' to 5' DNA hydrolysis E. 5'-to 3' RNA synthesis. 11. (1 pt) The function of ligase includes A. forming a phosphodiester bond using ATP for energy B. 5' to 3' RNA hydrolysis. C. 3' to 5' DNA synthesis. D. 3' to 5' DNA hydrolysis E. 5-to 3' RNA synthesis. 12. The function of proof reading by E. coli DNA polymerase Ill includes A. forming a phosphodiester bond using ATP for energy B. 5 to 3' RNA hydrolysis. C. 3 to 5 DNA synthesis D. 3 to 5 DNA hydrolysis E. 5-to 3 RNA synthesis.

Explanation / Answer

9. The number of the recombinants for the genes large eye and normal bodyor normal eye and large eye are same in the males and the females in the column C .They produced equal number of the offsprings [100] . the number of offsprings for the large eyes and fat body are same in the males and females ,column c provides the same number of the offsprings ,which is [ 450.] .

so the 450/1000 which is equal to 0.45 percent are belongs to the large eyes and fat body .

10. Option E ; 5 prime to 3prime RNA synthesis .

11. The function of the ligase includes ,option A forming a phosphodiester bond using ATP for energy.

12. The function of the proof reading by the E coli DNA polymerase III includes . 5' to 3'' DNA synthesis .