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In a cross of two pure-breeding lines of tomatoes producing different fruit sizes, the variance in grams(g) of fruit weight in the F1 is 2.10 g, and the variance among the F2 is 6.00 g. Part A) Determine the genetic variance VG for the trait.( 3 sig figs)Part B) Determine the […]

1) The origin of the deltoid is (the) A) clavicle.  B) Scapula.  C) humerus.  D) Vertebral column.  E) Both A and B.  2) The supraspinatus and infraspinatus muscles are both innervated by (the) A) suprascapular nerve.  B) musculocutaneous nerve.  C) Axillary nerve.  D) thoracodorsal nerve.  E) None of the above.  […]

Assume that mammalian cells are grown in culture in the presence of fluorescent nucleotides for several generations so that all of the DNA in all of the chromosomes is fluorescent. When these cells are examined under a microscope, all of the chromosomes in the nucleus glow. If one of these […]

Part -1: Matching: Match the phase of the cell cycle to its description and write the correct word. Some will be used more than once. G1        S          G2        G0        Prophase                     Prometaphase             Metaphase      Anaphase                    Telophase                    Cytokinesis ____________________1.          Chromosomes are replicated. S ____________________2.          The cytoplasm is divided. Cytokinesis ____________________3.          Chromosomes “relax” […]