1. Assume that a cell is 2n=2. DRAW the following stages below. Use / for unreplicated chromosome and X for replicated chromosome. Use a metaphase plate that is vertical. For simplicity, do not indicate the nuclear membrane, spindles or that the chromosomes are decondensed (unwound) in interphase. Draw the chromosomes even if you would actually only see chromatin during interphase G1 d. a. Metaphase of Mitosis b. G2 Anaphase of Mitosis C. Prophase of Mitosis e. f. one daughter cell after Cytokinesis oooooo d. a. b. C. 2. This time, assume that a cell is 2n=4 (two large and two small chromosomes), DRAW the following stages below. Use / for unreplicated chromosome and X for replicated chromosome. Use a metaphase plate that is vertical. Make sure nonhomologs are different sizes. For simplicity, do not indicate the nuclear membrane, spindles or that the chromosomes are decondensed (unwound) in interphase. Draw the chromosomes even if you would actually only see chromatin during interphase d. Metaphase of Mitosis Anaphase of Mitosis e. f. one daughter cell after Cytokinesis ooooo a. G1 G2 a. b. C. Prophase of Mitosis b. C. d. e. f. e. f.

1. Assume that a cell is 2n=2. DRAW the following stages below. Use / for unreplicated chromosome and X for replicated chromosome. Use a metaphase plate that is vertical. For simplicity, do not indicate the nuclear membrane, spindles or that the chromosomes are decondensed (unwound) in interphase. Draw the chromosomes even if you would actually only see chromatin during interphase G1 d. a. Metaphase of Mitosis b. G2 Anaphase of Mitosis C. Prophase of Mitosis e. f. one daughter cell after Cytokinesis oooooo d. a. b. C. 2. This time, assume that a cell is 2n=4 (two large and two small chromosomes), DRAW the following stages below. Use / for unreplicated chromosome and X for replicated chromosome. Use a metaphase plate that is vertical. Make sure nonhomologs are different sizes. For simplicity, do not indicate the nuclear membrane, spindles or that the chromosomes are decondensed (unwound) in interphase. Draw the chromosomes even if you would actually only see chromatin during interphase d. Metaphase of Mitosis Anaphase of Mitosis e. f. one daughter cell after Cytokinesis ooooo a. G1 G2 a. b. C. Prophase of Mitosis b. C. d. e. f. e. f.

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter10: Cell Reproduction

Section: Chapter Questions

Problem 1VCQ: Figure 10.6 Which of the following is the correct order of events in mitosis? Sister chromatids line...

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1. Assume that a cell is 2n=2 (diploid has two chromosomes, the same size). DRAW the following stages below. Use / for unreplicated chromosome and X for replicated chromosome. Use a metaphase plate that is vertical. For simplicity, do not indicate the nuclear membrane, spindles or that the chromosomes are decondensed (unwound) in interphase. Draw the chromosomes even if you would actually only see chromatin during interphase For reference this is Metaphase of MITOSIS Metaphase of MEIOSIS I Metaphase of MEIOSIS II one gamete a. d. b. G1 е. C. G2 f. X а. b. С. d. е. f. 2. Carefully analyze the following images. A a. Describe each as n= (1 or 2 "sets" of information is held on how many chromosomes). Also indicate how much DNA is in each compared to a respective gamete which has 1x amount of DNA) Ploidy (2n or 1n?) 1n_ # of chromosomes 2 amount of DNA 1x_
3. Assume that a cell is 2n=2 (diploid has two chromosomes, the same size). DRAW the following stages below. Use / for unreplicated chromosome and X for replicated chromosome. Use a metaphase plate that is vertical. For simplicity, do not indicate the nuclear membrane, spindles or that the chromosomes are decondensed (unwound) in interphase. Draw the chromosomes even if you would actually only see chromatin during interphase a. For reference this is Metaphase of MITOSIS b. G1 C. G2 a. XX d. Metaphase of MEIOSIS I Metaphase of MEIOSIS II one gamete e. f. OO c C. d. b. e. c f.
5. Assume that a cell is 2n=4 (diploid has two chromosomes, the same size). DRAW the following stages below. Use / for unreplicated chromosome and X for replicated chromosome. Use a metaphase plate that is vertical. For simplicity, do not indicate the nuclear membrane, spindles or that the chromosomes are decondensed (unwound) in interphase. Draw the chromosomes even if you would actually only see chromatin during interphase G1 Metaphase of MEIOSIS II one gamete G2 Metaphase of MEIOSIS I Metaphase of MITOSIS a. b. C. O O O O O O a. b. C. d. f. For reference Metaphase of MITOSIS is shown in circle f. Explain how what you drew for (c) differs from (f) 6. Carefully analyze the following images. D d. e. f. A B C D n= a. Describe each as (1 or 2 "sets" of information is held on how many chromosomes). Also indicate how much DNA is in each compared to a respective gamete which has 1x amount of DNA) A B с _1n_ 2 _1x_ Ploidy (2n or 1n?) # of chromosomes amount of DNA b. Indicate which diagram…
Match the description on the left with the correct term on the right When the nuclear membrane dissolves andy the chromosomes appear Options: When the nuclear membranes reform and visible chromosomes go back to less coiled Prophase chromatin Metaphase Chromosomes line up along the midline of the Telophase cell Anaphase When sister chromatids separate and move to opposite sides of the cell
v Part A Match the description with the stage of the cell cycle. Reset Help Centrioles move to opposite ends of the cell DNA condenses to form chromosomes Chromosomes line up in the middle of the cell Chromosomes Split and Move to opposite ends of the cell Cell begins to split into two DNA replicates Interphase Prophase Metaphase Anaphase Telophase UnitConversionSE.pdf Type here to search 99+ RB (1
Which phase is described below? The chromosomes condense, Each is made of two sister chromatids,(looks) like an "X" Each sister is a clone, the closest of kin, And acentromere connects them like siamese twinsThe nucleolus disappears it melts away, as the cell takes a ribosomeproduction holiday, the centrosomes separate, start spindle formationfor separating chromatids and cell elongation.
cell type: 9) Label the figure below. Chromosome number: cytokinesis by: division type: А- В- С- D- E- the halves the number of chromosomes, and at the same time, stage. The result is 10) daughter cells event that causes genetic diversity takes place in called (n? 2n?). An organism with two of each kind of chromosome is said to be: (3) tetraploid (1) haploid (2) diploid (4) polyploid. In multicellular organisms, mitosis results in: (1) reproduction (2) growth and repair (3) sperm and egg production (4) fertilization. If an organism produced an egg that had 20 chromosomes, the body cells of that organism should have: (1) 10 chromosomes (2) 20 chromosomes (3) 30 chromosomes (4) 40 chromosomes. 11) is what helps us grow and is why we are all unique! Human female karyotype contains .... (number) pairs autosomal and sex chromosomes. separate to go opposite poles in Anaphase in mitosis, while in Meiosis in AnaphaseI. (how many?) 12) If a diploid parent cell with 8 chromosomes (2n=8)…
This is a picture of anaphase: Explain why you know this cell is in anaphase using 2 vocabulary words from this list (definitions are in question 1): Nuclear envelope/nucleus Chromatin chromatid/sister chromatid Chromosome Spindle tv Aa 23 MacBook Air DD FB F9 F7 F3 F4 F5 F2 @ 23 $ % & 3 4 5 7 8 9 P W R Y S D F G H J K L XIG YIB N M E
Explain why you know this cell is in metaphase using 2 vocabulary words from this list (definitions are in question 1): Nuclear envelope/nucleus Chromatin chromatid/sister chromatid Chromosome Spindle abace loven Dr Aa stv MacBook Air DII DD 888 F10 F9 F5 F3 F4 & @ 2# $ 2 3 4 5 7 8 P W E T Y F G H J K > C V N command V - cの B
Draw and label G1 and G2 stages of interphase and each stage of mitosis (in order) for a cell that has two large and two small chromosomes, 2n=4. For unreplicated chromosome draw a line ( / ) and for replicated chromosome draw an X. Since we are focusing on the DNA, you can skip drawing the nuclear membrane or spindle fibers. For simplicity, do not indicate that the chromosomes are decondensed chromatin during interphase. Mark and label a place on one of the large chromosomes with the dominant allele of the “A” gene and put the recessive allele “a” on the other homolog. Mark and label a place on one of the small chromosomes with allele “B” and put the recessive allele “b” on the other homolog.
Discuss the cell cycle with the aid of a diagram. 6-8 hours INTERPHASE Sphase DNA I replicated 6-10 hours G, phase Cell metabolically active; duplicates organelles and cytosolic components starts replicating G, phase Cell growth continues enzymes and other proteins are synthesized and replication of centrosomes is completed 46 hours Exit from cell cycle nondividing cell) centrosomes. MITOTIC (M) PHASE Prophase Metaphase Anaphase Telophase
Indicate the stage of mitosis (interphase = I, prophase = P, metaphase = M, anaphase = A, telophase = T) during which each of the following events occur. chromatid doublets separate to individual chromosomescentriole replicatesreplicated chromosomes (chromatid doublets) are arranged in single file next to one another at the cell's equatornuclear membrane is disappearingspindle fibers form and become visiblecell plate (plant) or cleavage furrow (animal) forms and is visiblechromosomes are at opposite poles of the cell; cytokinesis is almost completedchromosomes (chromatids) first become visible as long thin strandsDNA (chromosome) replication occurs