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MEIOSIS I and II FORMATIVE QUIZ. Question 1. What process is illustrated by the arrow below? A: DNA duplication B: DNA diploidy C: DNA replication D: DNA mutation. Question 2. What is the name of the boxed section of this double-armed chromosome? A: Centromere B: Chromatid C: Chromatin
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Question 1 • What process is illustrated by the arrow below? • A: DNA duplication • B: DNA diploidy • C: DNA replication • D: DNA mutation
Question 2 • What is the name of the boxed section of this double-armed chromosome? • A: Centromere • B: Chromatid • C: Chromatin • D: Chromohalf
Question 3 • What is the diploid number for the cell below? • A: 8 • B: 4 • C: 2 • D: 1
Question 4 • What is the haploid number for the cell below? • A: 8 • B: 4 • C: 2 • D: 1
Question 5 • How many chromosomes will there be in this cell when it reaches Metaphase II? • A: 8 • B: 4 • C: 2 • D: 1
Question 6 • What is “boxed in” in the diagram below? • A: Diploid gamete • B: Diploid somatic cell • C: Diploid zygote • D: Haploid gamete
Question 7 • Which of the following cells below would have a HAPLOID number? (2 answers) • A: brain cells in a human • B: egg cells in a fish • C: heart cells in a chicken • D: stomach cells in a cat • E: pollen cells of a flower
Question 8 • Which letter represents fertilization? • A: n + n = n • B: n + 2n = 3n • C: n + n = 2n • D: 2n – 1 = n
Question 9 • Fix the error in the statement below: • Sexual reproduction occurs when a zygote is formed as a result of fusion between two diploid gametes.
Question 10 • Fix the error(s) in the statement below: • Asexual reproduction occurs when a parent cell forms 4 different cells in a stable environment.
Question 11 • Which term does not describe homologous pairs? • A: Same centromere location • B: Same length and size • C: Same nucleotide sequences • D: Same gene locations • E: 1 from MOM and 1 from DAD
Question 12 • What process is taking place in the box in the diagram below? • A: Mitosis • B: Meiosis I • C: Meiosis II • D: Mitosis II
Question 13 • Forming 2 cells that contain a haploid number of double armed chromosomes is a result of what process? • A: Mitosis • B: Meiosis I • C: Meiosis II • D: Mitosis II
Question 14 • What is the number and type of DNA strands found in INTERPHASE 1? • A: Haploid double armed chromosomes • B: Haploid single armed chromatin • C: Diploid double armed chromosomes • D: Diploid double armed chromatin
Question 15 • The structure that is formed as a result of two homologous chromosomes pairing up is called a ______________. • A: diploid chromosome • B: tetrad • C: triad • D: haploid chromatin
Question 16 • Which event does NOT occur in Prophase I? • A: Crossing Over • B: Chromosomes unwind • C: Formation of Tetrads • D: Centrioles move to poles • E: Nucleus breaks down
Question 17 • Fix the error in the statement below: • Crossing over occurs when two random chromosomes exchange genetic material between each other in Prophase I.
Question 18 • Spindle fibers attach to centromeres of double armed chromosomes of homologous chromosomes that are randomly aligned the middle of the cell in: • A: Prophase I • B: Prophase II • C: Metaphase I • D: Metaphase II
Question 19 • Fill in the blanks: • The RULE of __________ _____________ states that chromosomes of homologous pairs (homologs) will align and then move randomly to either end of the cell in Metaphase I.
Question 20 • Fill in the blank: • ____________ armed chromosomes are pulled to opposite poles when spindle fibers shorten in Anaphase I.
Question 21 • Which of the following does NOT occur in Telophase I? • A: Nucleus reforms in each new cell • B: Cleavage furrow/cell plate begins to form • C: 46 chromosomes become chromatin in each new cell • D: spindle fibers break down
Question 22 • True or False? • DNA replication takes place in Cytokinesis I / Interphase II.
Question 23 • Fill in the blanks below: • In Meiosis II, 2 haploid cells with double armed chromosomes become 4 _______ cells with ______ armed chromosomes. • A: haploid, single • B: haploid, double • C: diploid, single • D: diploid, double
Question 24 • Which diagram represents Metaphase II? A. B.
Question 25 • What is split apart in Anaphase II? (2 answers) • A: double armed chromosomes • B: single armed chromosomes • C: sister chromatids
Question 26 • Which of the following is NOT a source for genetic variation between zygotes? • A: Crossing Over in Prophase I • B: Independent Assortment in Metaphase I • C: Random fusion of gametes in sexual reproduction • D: Splitting of sister chromatids in Anaphase II
Question 27 • True or False? • A karyotype can detect a gene mutation.
Question 28 • Fix the error in the statement below: • Four functioning gametes are formed in the process of Oogenesis.
Question 29 • What letter represents the cells formed if nondisjunction occurred in Meiosis II?
Question 30 • The fusion of gametes that have undergone nondisjunction would result in: • A: physical disabilities • B: abnormal karyotypes • C: mental disabilities • D: all of the above
Be able to identify letters. A: B: C: D: E: F: G: H: I: J: K: L: