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Lecture 14 Quiz_ BIOL-1010-151-V35-Bradshaw-FALL 2014-XLIST.pdf

Lecture 14 Quiz_ BIOL-1010-151-V35-Bradshaw-FALL 2014-XLIST.pdf

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Unformatted text preview: 12/17/2014 Lecture 14 Quiz: BIOL­1010­151­V35­Bradshaw­FALL 2014­XLIST Lecture 14 Quiz Due Nov 16 at 11:59pm Points 10 Attempt History Questions 10 Available Nov 10 at 12am ­ Nov 16 at 11:59pm 7 days Time Limit 30 Minutes Attempt Time Score LATEST Attempt 1 18 minutes 9 out of 10 Score for this quiz: 9 out of 10 Submitted Nov 16 at 4:07pm This attempt took 18 minutes. Question 1 1 / 1 pts Which of the following correctly explains the process of crossing over? The separation of homologous chromosomes during meiosis The exchange of sister chromatids at the centromere between homologous chromosomes The forming of tetrads between homologous chromosomes Correct! The exchange alleles between homologous chromosomes The fusion of gametes in over 70 trillion different combinations Question 2 1 / 1 pts ________________________ occurs during metaphase I and is also a recombination event during meiosis. Fertilization Homologous separation Nondisjunction Correct! Independent assortment Crossing over Question 3 0 / 1 pts What is the difference between diploid human cells and haploid human cells? Correct Answer You Answered diploid refers to twenty three pairs of chromosomes in all human cells(46), whereas haploid refers to the twenty three chromosomes found only in gametes(23) a diploid cell has four times the number of chromosomes(46x2), whereas a haploid cell has half the number of chromosomes(23) diploid refers to twice the number of chromosomes found in the human cell before mitosis (46x2), whereas haploid refers to half the number of chromosomes found in human cells after mitosis (46) https://uvu.instructure.com/courses/345509/quizzes/503678 1/3 12/17/2014 Lecture 14 Quiz: BIOL­1010­151­V35­Bradshaw­FALL 2014­XLIST diploid cells are found only in the gametes whereas haploid cells are the somatic cells that make up the human body Question 4 1 / 1 pts During which of the following phases can non­disjunction occur? only anaphase I only metaphase I both metaphase I and II only metaphase II Correct! both anaphase I and II Question 5 1 / 1 pts When the inner cell mass of an embryo splits, this creates _______. Correct! Monozygotic twins Dizygotic twins Parthenogenesis Blighted ova Polyzygotic twins Question 6 1 / 1 pts ____________________ is a recombination process that is used in prophase I of meiosis. Nondisjunction Fertilization Correct! Crossing over Independent assortment Homologous separation Question 7 1 / 1 pts Which of the following is not a recombination process that occurs during sexual reproduction? Correct! semi­conservative DNA replication independent assortment homologous chromosome recombination https://uvu.instructure.com/courses/345509/quizzes/503678 2/3 12/17/2014 Lecture 14 Quiz: BIOL­1010­151­V35­Bradshaw­FALL 2014­XLIST fusion of gametes to form a zygote Question 8 1 / 1 pts Usually, different genes found on the same chromosome are inherited with each other into the same gamete during meiosis. Which of the following processes can separate genes on the same chromosome so that their alleles are no longer inherited together? Fertilization Independent assortment Law of Segregation Dyad separation Correct! Crossing over Question 9 1 / 1 pts Pedro and John are genetically identical. They are most likely _______. Polyzygotic twins Blighted ova Dizygotic twins Parthenogenic Correct! Monozygotic twins Question 10 1 / 1 pts Which of the following correctly describes non­disjunction? When homologous chromosomes fail to undergo synapsis during meiosis When sister chromatids cross over but homologous chromosomes do not When homologous chromosomes separate but fail to cross over during meiosis Correct! When homologous chromosomes or sister chromatids fail to separate during meiosis When homologous chromosomes or sister chromatids fail to recombine during meiosis Quiz Score: 9 out of 10 https://uvu.instructure.com/courses/345509/quizzes/503678 3/3 ...
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