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Antemortem (before death) and postmortem (after death) factors will influence the subsequent properties of meat (water binding, color, juiciness, tenderness/texture, flavor). For each of the five meat properties, select one antemortem factor and select one postmortem factor that will cause a change in or influence the property. Give adequate details […]

Virtual Lab: Punnett Squares WorksheetPart I: Answer the following questions: 1. Which of the following is most inclusive? a. allele b. genotype 2. Dominant alleles are represented by: a. an upper case letter b. a lower case letter c. it does not matter what type of letter is used 3. […]

Using the lytic bacteriophage P22 you perform a three-factor cross in Salmonella typhimurium. The phage is initially grown on an Arg+ Leu+ His+ strain of S. typhimurium. The progeny phages are then infected into a recipient bacterium which is Arg- Leu- His-. You select 1000 Arg+ recipients and test them […]

Cellular reproduction in Eukaryotes involves either mitosis or, in the case of sex cells, meiosis. Mitosis involves the reproduction of a cell into two identical daughter cells. Meiosis, however, is a reduction division where a parental diploid cell produces four haploid gametes. Upon fusion, two haploid gametes (in humans the […]