The figure above shows a metaphase in which one chromosome is only connected to the spindle by a single kinetochore, thus the sister chromatids may not separate correctly during anaphase. which of the following statement/s is/are correct; Misaligned chromosome Metaphase Select one or more O a This error will have no impact on development O b After telophase, one cell will lose a chromosome and the other cell will gain a c This might lead to serious disorders such as Down Syndrome in which a person has an extra copy of chromosome 21 O d. This error will be corrected later before telophase e The cell with a missing chromosome can never survive

The figure above shows a metaphase in which one chromosome is only connected to the spindle by a single kinetochore, thus the sister chromatids may not separate correctly during anaphase. which of the following statement/s is/are correct; Misaligned chromosome Metaphase Select one or more O a This error will have no impact on development O b After telophase, one cell will lose a chromosome and the other cell will gain a c This might lead to serious disorders such as Down Syndrome in which a person has an extra copy of chromosome 21 O d. This error will be corrected later before telophase e The cell with a missing chromosome can never survive

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter11: Meiosis: The Cellular Basis Of Sexual Reproduction

Section: Chapter Questions

Problem 1TYK: The chromosome constitution number of this individual is 2=6. This drawing represents: a. mitotic...

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Match the phase of cell division with the following diagrams. In these cells, 2n = 4. a. anaphase of meiosis I b. interphase of mitosis c. metaphase of mitosis d. metaphase of meiosis I e. metaphase of meiosis II
The chromosome constitution number of this individual is 2=6. This drawing represents: a. mitotic metaphase. b. meiotic metaphase I. c. meiotic metaphase II. d. a gamete. e. sixnonhomologous chromosomes.
At which stage of meiosis are sister chromatids separated from each other? a. prophase I b. prophase ll c. anaphase I d. anaphase ll
which of the following events occurs during anaphase B in a mitotic cell a. lengthening of the overlap microtubules b. Shortening of the overlap microtubules c. Shortening of the overlap microtublues d. Shortening of the astral microtubules e. Lengthening of the kinetochore microtubules
A diploid nucleus at early mitotic prophase has __________ set(s) of chromosomes; a diploid nucleus at mitotic telophase has __________ set(s) of chromosomes. (a) 1; 1 (b) 1; 2 (c) 2; 2 (d) 2; 1 (e) not enough information hasbeen given
During anaphase I, ________ are separated. a. homologous chromosomes b. Kinetochores c. sister chromatids
A cell has 8 chromosomes in G1 of interphase. Draw a picture of this cell with its chromosomes at the following stages. Indicate how many DNA molecules are present at each stage. a. Metaphase of mitosis b. Anaphase of mitosis c. Anaphase II of meiosis d. Diplotene of meiosis I
A sexually reproducing organism has the following phenotype DdEeAaTt. The D and E loci are on the same arm of a metacentric chromosome in the cis configuration. The A locus is on the long arm of an acrocentric chromosome and the T locus is on a telocentric chromosome. There are no other chromosomes. Show a diagram of the cell in metaphase of mitosis and the result of mitosis.
The cat has a diploid number 2n=38, describe the alignment of chromosomes on the metaphase plate during each phase below and indicate the number of chromosome structures aligned for each phase (single or synapsed structures). In other words, determine the number of structures present at the equatorial plate during metaphase and explain each configuration (the chromosome and chromatid arrangements) composition of each chromatid and if crossing over occurs. a. Mitosis b. Meiosis I c. Meiosis II
Which of the following is one of the very importantdifferences between mitosis and meiosis?a. Chromosomes align midway between spindle polesonly in meiosis.b. Homologous chromosomes separate only inmeiosis.c. DNA is replicated before mitosis only.d. Sister chromatids separate only in meiosis.e. Interphase occurs only in mitosis.
A diploid cell has 4C genetic material and 16 chromosomes at the start of cell division. Identify the: (1) no. of chromosome per cell at S phase (2) no. of pairs of homologous chromosomes per cell at Metaphase 1 (3) no. of chromosomes per cell at Anaphase 1 (4) amount of genetic material per cell after Meiosis 2 (5) amount of genetic material per cell after Meiosis 1
During meiosis, homologous sets of four chromatids are lined up along the cell's equator, attached to spindle fibers. Which of the following processes will happen next? Top of Form Anaphase I Telophase II Prophase I Metaphase II