Review Concept 13.2. Match the term and its description. Each term can only be used once. the generation-to-generation sequence of stages in the reproductive history of an organism | Choose an ordered display of the pairs of chromosomes from a cell | Choose ) two chromosomes in each pair | Choose ) chromosomes that determine the sex of the individual | Choose | two sets of chromosomes (2N) | Choose >

Review Concept 13.2. Match the term and its description. Each term can only be used once. the generation-to-generation sequence of stages in the reproductive history of an organism | Choose an ordered display of the pairs of chromosomes from a cell | Choose ) two chromosomes in each pair | Choose ) chromosomes that determine the sex of the individual | Choose | two sets of chromosomes (2N) | Choose >

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter8: How Cells Reproduce

Section: Chapter Questions

Problem 12SQ

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How does the attachment of kinetochore microtubules to thekinetochore differ in metaphase of meiosis I compared tometaphase of mitosis? Discuss what you think would happenif a sister chromatid was not attached to a kinetochoremicrotubule
What is the corect order of these meiotic events? A Segregation of homologous chromosomes to opposite poles 8 Segregation of sister chromatids to opponite poles. CAignment of homologous pairs on the midplate of thve cell. D Pairing and synapsis of homologous chromosomes. E Condensation of chromosomes in a diploid nucleus. CDEAB O DCERA O EDCBA O EDCAB O DCARE
Somatic cells in organisms of a particular diploidplant species normally have 14 chromosomes. Thechromosomes in the gametes are numbered from 1through 7. Rarely, zygotes are formed that containmore or fewer than 14 chromosomes. For each of thezygotes below, (i) state whether the chromosomecomplement is euploid or aneuploid; (ii) provideterms that describe the individual’s genetic makeupas accurately as possible; and (iii) state whether ornot the individual will likely develop through theembryonic stages to make an adult plant, and if so,whether or not this plant will be fertile.a. 11 22 33 44 5 66 77b. 111 22 33 44 555 66 77c. 111 222 333 444 555 666 777d. 1111 2222 3333 4444 5555 6666 7777
Various stages of cell division Growing spindle fibres Disappearing nuckar membrane Centrio les migrate toward poles Replicated chromosome
TELUPHASE 4 Meiosis is the division of a germ cell involving two fissions of the nucleus and giving rise to four gametes or sex cells, each possess ing half the number of clromosomes of the original cell. Its phases begirning interphase are PROPHASE 1, METAPHASE 1, ANAPHASE , TELOPHASE 1, PROPHASE 2, METAPHASE 2 ANAPHASE 2, and TELOPHASE 2. Easy Level Instructions. Fill in the blanks with needed word/s to complete the concept of each sentence/paragraph. Choose your answer from the word pool below. Write your ans wer in the space provided for. Spindle Checkpoint Cytokinesis G1 Mitosis S Phase Checkpoint G2 Check point G2 M Checkpoint Apoptosis I. A (1) Chck point is a stage in the eukaryotic cell cycle at which the cell examines intemal and external cues and "decides" whether or not to move forward with division. II. There are number of checkpoints, but the three most important ones are: The (2) at the Gl/S transition, the (3): at the G2/M transition and the (4) at the transition from…
Figure 6.4 Which of the following is the correct order of events in mitosis? a. Sister chromatids line up at the metaphase plate. The kinetochore becomes attached to the initotic spindle. The nucleus re-forms and the cell divides. The sister chromatids separate. b. The kinetochore becomes attached to the mitotic spindle. The sister chromatids separate. Sister chromatids line up at the metaphase plate. The nucleus re-forms and the cell divides. c. The kinetochore becomes attached to metaphase plate. Sister chromatids line up at the metaphase plate. The kinetochore breaks down and the sister chromatids separate. The nucleus re-forms and the cell divides. d. The kinetochore becomes attached to the mitotic spindle. Sister chromatids line up at the metaphase plate. The kinetochore breaks apart and the sister chromatids separate. The nucleus re-forms and the cell divides.
eiosis mod e correct order. 4 Compare the models of the two processes. List all of the differences you can see between meiosis and mitosis below. Northern Virginia Community Collego 188 I BIO 142 Human Anatomy and Physiology II
SOMATIC CELL DIVISION IN 4 DI/FFERENT SPECIES, EA CH WITH A DIFFERENT NUMBER OF CIHROMOSOMES * Part IV. Images The images on the left represent events of a mitotic division in a haploid cell in which N=2. In the other boxes in each row, draw the same events for cells with the indicated chromosome number. SPECIES A Haploid, N = 2 SPECIES B Haploid, N = 3 SPECIES C Diploid, N = 2 SPECIES D Diploid, N = 3 NAME THE PHASE LABEL: cytoplasm núclear enve chromo some chromatid spindle fibers centriole centromere genome å gene (this you will have to draw,too) You will need to label at leas 2 boxes to iden ti fy all these structures.8 but remember, every cell in that species has the same number.
Select true or false for each of the following statements regarding anaphase II. Sister chromatids remain attached at the centromeres. Answertruefalse Homologous chromosomes remain attached at the centromeres. Answertruefalse Sister chromatids are pulled apart. Answertruefalse Homologous chromosomes are pulled apart. Answertruefalse Chiasmata are broken. Answertruefalse Non-kinetochore microtubules lengthen the cell. Answertruefalse
S chahpant &yele checkpoints. *sler chrama hids vs chromag nid URITesis (and cleavage furrow prorse Cheta point M phase (mitosis) Chedfont2 o-never Sunde ogan G2 phase (Gap 2) G1 phase (Gap1) u ses chrome20ves Thecell ycle ntendhase is nat n meitosis, ts or. J0 Sphase (DNA synthesis) GO phase (end of cell cycling) nLero 2. Refer to the above diagram. What are the main events of each of the phases of the cell cycle as seen above? Phase Main Events G1 G2 GO
Including the sex chromosomesthe chromosome number of a normal human cell is 23 and the chromosome number of this HeLa cell is
mitosis nuclei resides in the nucleus karyotype autosomes haploid In dividing parent cell; in the parent cell. Male and female gametes at fertilization forms a homologs Microscopic observations showed that during fertilization, the unite, providing evidence that genetic material resides in the cell membrane Brightly staining, threadlike bodies within the nucleus were termed of these bodies could be traced through cell division. chromosomes diploid A image can reveal abnormalities in meiosis of eggs and sperm ; the movements gametes contain a single set of chromosomes. The fusion of zygote. the number of chromosomes in daughter cells remains the same as in the the number of chromosomes in daughter cells is half that of Two chromosomes that match in size, shape, and banding when isolated and stained are is an image of an individual's chromosomes arranged in homologous pairs. This chromosome number and structure nondisjunction