Biology 110 Lab
Results
Individual Data:
Non-recombinant | Recombinant | Total # of Asci | Total # Recombinant Asci(B + C) | Frequency of Recombinant Asci(B + C)/total # asci) | Frequency of Type B Asci(B/total # asci) | Frequency of Type C Asci(C/total # asci) | Ratio B/C | # of Type A Asci(4:4) | # of Type B Asci(2:4:2) | # of Type C Asci(2:2:2:2) | | | | | | | Tan Spore Color | | | | 14 | 6 | 6 | 26 | 12 | (6+6)/26= 6/13 | 6/26= 3/13 | 6/26= 3/13 | 6/6= 1 | Gray Spore Color | | | | | | | | | |
This table represents the number of asci observed individually. Out of the twenty-six asci observed, twelve of them were recombinant. The other fourteen observed were seen to have no crossing over.
Group Data: Non-recombinant | Recombinant | Total # of Asci | Total # Recombinant Asci(B + C) | Frequency of Recombinant Asci(B + C)/total # asci) | Frequency of Type B Asci(B/total # asci) | Frequency of Type C Asci(C/total # asci) | Ratio B/C | # of Type A Asci(4:4) | # of Type B Asci(2:4:2) | # of Type C Asci(2:2:2:2) | | | | | | | Tan Spore Color | | | | 32 | 19 | 19 | 70 | 38 | 38/70 | 19/70 | 19/70 | 19/19=1 | Gray Spore Color | | | | | | | | | |
This table represents the number of asci observed by two groups who shared their data. Out of seventy asci observed, thirty-eight were recombinant. The other thirty-two asci observed showed no crossing over.
Section Data:
Section Data: This table represents the number of asci observed by the entire class. Out of one hundred and fifty-two total asci observed, eighty-six were recombinant. The other sixty-six observed were seen to have no crossing over.
Non-recombinant | Recombinant | Total # of Asci | Total # Recombinant Asci(B + C) | Frequency of Recombinant Asci(B + C)/total # asci) | Frequency of Type B Asci(B/total # asci) | Frequency of Type C Asci(C/total # asci) | Ratio B/C | # of Type A
Citations: Cyr, R. 2002. Heredity and Life Cycles. Biology 110: Basic concepts and biodiversity. The Pennsylvania State University. https://cms.psu.edu/section/default.asp?id=MRG%2D120807%2D130300%2DCAH19 Meiosis and Genetic Diversity in the Model Organism, Sordaria. Written by Hass, C. and Ward, A. 2010. Department of Biology, The Pennsylvania State University, University Park, PA.