Quiz 10 Fall 07 MCB181R Dr. Jorstad

Quiz 10 Fall 07 MCB181R Dr. Jorstad - Question 1 The...

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The various sources of genetic variation in sexually reproducing organisms include the fusion of gametes during fertilization. the crossing over between sister chromatids during Prophase I of meiosis. the separation of sister chromatids during Anaphase of mitosis. the orientation of homologous pairs at Metaphase I of meiosis. Question 2    1 / 1 point In a simple, monohybrid Mendelian cross, the symbol chosen to represent the recessive allele is a lower case first letter of the word that describes the recessive  phenotype--e.g., wrinkled = w. "true breeding" means homozygous. the symbol chosen to represent the dominant allele is a capitalized first letter of the word that describes the dominant  phenotype--e.g., smooth seeds = S. the focus will be on what happens for just one genetic locus (one gene).
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