Class 23 - Exam Monday 6:30-8:30PM Place: Right here, A2B70...

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Unformatted text preview: Exam Monday 6:30-8:30PM Place: Right here, A2B70 MCDB Bring ID, #2 Pencil, calculator You need to know your student #. Friday will be a review class - please email to [email protected] questions you would like answered Additional review 3-5PM Monday Oct 20 in MCDB A120 1 3 A meiotic nondis- junction problem: The nondisjunction event in Mary that gave rise to child B occurred during: A. Meiosis I B. Meiosis II C. Either meiosis 4 A meiotic nondis- junction problem: The nondisjunction event in Mary that gave rise to child B occurred during: A. Meiosis I B. Meiosis II C. Either meiosis Child has 2 different alleles from Mary 5 Chromosome 21 errors during meiosis I in Mary Q Q q q 21 21 21 21 Precursor egg cell after DNA replication before cell division 5 Chromosome 21 errors during meiosis I in Mary Q Q q q 21 21 21 21 Precursor egg cell after DNA replication before cell division Q Q q q Meiosis I nondisjunction 5 Chromosome 21 errors during meiosis I in Mary Q Q q q Q q Q q 21 21 21 21 Precursor egg cell after DNA replication before cell division Q Q q q Meiosis I nondisjunction 5 Chromosome 21 errors during meiosis I in Mary Q Q q q Q q Q q 21 21 21 21 Precursor egg cell after DNA replication before cell division sperm Q Q q q Meiosis I nondisjunction 5 Chromosome 21 errors during meiosis I in Mary Q Q q q Q q Q q 21 21 21 21 Q q Child will have homologous chromosomes from Mary with 2 different alleles 21 21 21 Precursor egg cell after DNA replication before cell division sperm Q Q q q Meiosis I nondisjunction 6 A meiotic nondis- junction problem: The nondisjunction event in Mary that gave rise to child B occurred during: A. Meiosis I B. Meiosis II C. Either meiosis 7 A meiotic nondis- junction problem: The nondisjunction event in Mary that gave rise to child B occurred during: A. Meiosis I B. Meiosis II C. Either meiosis 8 A meiotic nondis- junction problem: The nondisjunction event in Fred that gave rise to child A occurred during: A. Meiosis I B. Meiosis II C. Either meiosis 9 A meiotic nondis- junction problem: The nondisjunction event in Fred that gave rise to child A occurred during: A. Meiosis I B. Meiosis II C. Either meiosis Child has 2 identical alleles 10 Chromosome 21 errors during meiosis II in Fred Q Q q q 21 21 21 21 Precursor sperm cell after DNA replication before cell division 10 Chromosome 21 errors during meiosis II in Fred Q Q q q Q Q q q 21 21 21 21 Precursor sperm cell after DNA replication before cell division 10 Chromosome 21 errors during meiosis II in Fred Q Q q q Q Q q q 21 21 21 21 Precursor sperm cell after DNA replication before cell division Q Q q q Meiosis II nondisjunction 10 Chromosome 21 errors during meiosis II in Fred Q Q q q Q Q q q 21 21 21 21 Precursor sperm cell after DNA replication before cell division q Egg cell Q Q q q Meiosis II nondisjunction 10 Chromosome 21 errors during meiosis II in Fred Q Q q q Q Q q q 21 21 21 21 Q q Child will have sister chromosomes from Fred with two identical alleles...
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This note was uploaded on 02/25/2010 for the course MCDB 2150 taught by Professor Winey,mark during the Spring '06 term at Colorado.

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Class 23 - Exam Monday 6:30-8:30PM Place: Right here, A2B70...

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