The aim of this lab was to analyze and prove the sordaria fimicola fungus crossing over by finding what colour it will give during miosis a cross over that will be between the wild type. Sordaria lab report - free download as word doc (doc / docx), pdf file (pdf), text file (txt) or read online for free bio 110 h lab report on the reproduction and genetics of sordaria. Labbench activity analysis of results ii study this small section of a slide of sordaria to determine if crossing over has occurred in the asci designated by an x. Crossing-over in sordaria sp when mycelia of these two different strains come together and undergo meiosis, the asci that develop will contain four black ascospores and four tan ascospores.
Meiosis and genetic diversity lab bio lab 028 introduction in this lab the spores of the sordaria fimicola, a fungus, is examined after meiosis and mitosis. Information on mrs chou's classes mrs chou's classes search this site welcome sordaria labppt view download: sordaria genetics activity. Sordaria fimicola is a species of a common experiment for an introductory biology lab class is to cross one of the mutant types with a wild type and observe. 1 demonstration of crossing-over during meiosis in sordaria fimicola introduction sexual reproduction is a special case of cell reproduction in which the genes of two.
Sordaria octad below you will find reproductions of a number of sordaria octad preparations for the purposes of mapping the tan locus with respect to its centromere. Sordaria fimicola genetics sordaria fimicola, a common species of dung ascomycete, produces eight ascospores in a linear arrangement within an ascus, a bag-shaped.
Mitosis and meiosis in this laboratory, students will sordaria culture and crossing media can be ordered (catalogs numbers for bottles of. Sordaria lab lab 3: mitosis & meiosis exercise 3b studies crossing over and recombination during meiosis using asci from crosses between wild and mutants spores in. Sordaria lab sordaria lab effects of crossing over in sordaria fimicola abstract sexual reproduction in organisms is a cause for genetic variation. Mapping genes in sordaria when you observe the sordaria in this lab, you will note that the ascospores are of two different colors.
Introduction: to achieve genetic experiments with haploid organisms, genetic strains of different genotypes must be crossed from one another following fertilization and meiosis, the meiotic. He also explains how you can use the fungus sordaria to calculate map units using the frequency of cross over education resources mitosis & meiosis lab review.
In another lab project i am considering for the fall class, i have been experimenting with crossing sordaria fimicola fungi these are molds in the huge phylum of ascomycete fungi that have. Scientists collected wild type sordaria fimicola inhabiting both slopes and discovered that the strains from the sfs exhibited higher sordaria lab report. Sordaria species are common but comprise a small proportion is the leading commercial iaq laboratory in north america and specializes in analyzing. Sordaria fimicola is often used in introductory biology and mycology labs because it is easy to grow on nutrient agar in dish cultures the genus sordaria lab. In the sordaria genetics advanced inquiry lab kit for ap biology, prepare cross plates and cross wild-type and mutant strains of sordaria fimicola observe the life. The lab experiment examined meiosis and genetic diversity through the model organism, sordaria fimicola meiosis is part of the sexual life cycle and occurs in all.