GeneticsHW chapter 3 - Lauren Taranow lmt827 8 am...

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Lauren Taranow lmt827 8 am Discussion Problems and Questions for Chapter 3 Material From Brooker, pages 67 and 68 Read and consider (but do not submit answers for) questions S1 and S3. In question 3, a bivalent is a pair of homologous chromosomes. You don’t need to know the term bivalent . Answer questions C2, C10, and the additional questions below. C2. What is a homolog? With regard to genes and alleles, how are homologs similar to and different from each other? A homolog is a chromosome that is part of a homologous pair. Each homolog are the same length and have the same genes on the same loci along that length. The alleles at each can be the same or different but are usually different. C10. The arrangement of homologs during metaphase I of meiosis is a random process. In you own words, explain what this means. It is random because of Gregor Mendells first law, the kinetochore randomly attaches to a spindle fiber. Then the second spindle fiber has to come from opposite pole and attach to the other chromatid’s dynein. So it is random, but only
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This note was uploaded on 02/19/2012 for the course BIO 325 taught by Professor Saxena during the Fall '08 term at University of Texas at Austin.

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