Sordaria lab ap biology lab investigation 7/meiosis helpful site: sordaria fungus belonging in the ascomycetes division dung loving most of life cycle is haploid reproduces by producing haploid spores. Kits covering the same topic as add up and cross over are available from flinn scientific, inc catalog no description fb1973 counting crossing over sordaria genetics student laboratory kit fb2001 caution mold crossing ahead student laboratory kit. The purpose of this investigation is to determine the frequency of meiotic divisions analyzed from hybrid crossings collected from the fungus sordaria fimicola. Is there internet help if the sordaria lab doesn't work answer: access key details back to top introduction key concepts i: mitosis - carnes ap bio related searches for meiosis virtual lab answer key population biology lab answers virtual lab population biology answer key. Haley ap biology 2014 search this site home page final courtyard sim and frizzle chicken lab photosynthesis lab photosynthesis cell division: mitosis and meiosis part 5: meiosis and crossing over in sordaria results: number of asci showing 4:4 pattern: number of asci. Mapping genes in sordaria during the laboratory period when the sordaria cultures have matured, you will observe the asci under the compound microscope obtain a microscope slide place one drop of water in the center of the microscope slide.
Cell division: mitosis and meiosis preparation time for the sordaria crosses if plates are purchased from a biological supply company safety and housekeeping this laboratory investigation, especially parts 1, 3, and 4, has a few safety concerns. Breaking news sordaria lab ap biology essays, help for homework online, 8th grade algebra homework help march 11, 2018 wha gwaan jamaica october 18, 2017. Stoudt 1 jocie stoudt bio 110h sordaria lab report introduction sordaria fimicola reproduce through meiosis whichconsists of the phases prophase. 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 lab 3: mitosis & meiosis exercise 3b studies crossing over and recombination during meiosis using asci from crosses between wild and mutants spores in the fungus sordaria fimicola. Carrie miller october 22, 2001 bios221 mw 11am sordaria fimicola introduction: in this lab we will be exploring the linkage and crossing of ascosporic color in sordaria by using tetrad analysis strains of sordaria have different colored ascospores, a heritable trait in which the alleles are.
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. While i have done the sordaria lab for many years, i don't think that i really understood it until 2017 here goes. 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 cycle of a member of the fungal kingdom. Where he is coordinator of the introductory biology laboratory course for biology majors he received his bs in biology we selected the genus sordaria over neurospora for this study because of the absence of asexual in sordaria fimicola (figure 11).
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. Sordaria sordaria sordaria print pdf natural habitat dung seeds soils suitable substrates in the indoor environment unknown mode of dissemination forcible ejection quality laboratory services since 1981 east coast 1-800-220-3675. Ap biology investigation #7: genetics and information transfer: pre-lab prep _____ 11 copy of student guide (with before lab see page 11 to order sordaria and to grow root tips read background and answer pre-lab questions. In this video paul andersen shows you how a cross between mutant and wild types of sordaria fimicola can be used to show and measure frequency of crossing-over. Sordaria fimicola is an ascomycete fungus that normally grows on decaying organic material it may also be frequently found in introductory laboratory settings where it is manipulated and examined for educational purposes the popularity of using s fimicola as an instructional tool is largely due. In this video paul andersen shows you how a cross between mutant and wild types of sordaria fimicola can be used to show and measure frequency of crossing-ov.
Intermediate - easy to perform requires some basic training in microbiology a cross of sordaria fimicola wild type and the mutant tan strain for demonstrating genetic crossing-over for use with advanced placement biology laboratory #3 or as a separate refresher demonstration from the exerc. 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 crossing-over in sordaria sp use a scalpel to gently scrape the surface of the nutrient medium where the two.
Free essay: gene mapping in ascospore sordaria cultures by recombination abstract the laboratory experiment demonstrates the process of meiosis using the. 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 products can be analyzed as the ascomycete fungus, sordaria fimicola.