Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 13, Problem 3VCQ
Figure 13.6 Which of the following statements about nondisjunction is true?
- Nondisjunction only results in gametes with n+1 or n-1 chromosomes.
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Meiosis is relatively rare and mitosis is relatively common. Which of the following makes meiosis different from mitosis?
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The resulting cells (gametes) are haploid.
Nondisjunction results in uneven distribution of chromosomes during meiosis.
Which of the following are true during meiosis?
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If a cell has a diploid number of 6 (2n =6), and one pair of chromosomes
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experiences nondisjunction during meiosis I, then two cells will have 6
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54
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Chapter 13 Solutions
Biology 2e
Ch. 13 - Figure 13.3 In a test cross for two...Ch. 13 - Figure 13.4 Which of the following statements is...Ch. 13 - Figure 13.6 Which of the following statements...Ch. 13 - X-linked recessive traits in humans (or in...Ch. 13 - The first suggestion that chromosomes may...Ch. 13 - Which recombination frequency corresponds to...Ch. 13 - Which recombination frequency corresponds to...Ch. 13 - Which of the following codes describes position 12...Ch. 13 - In agriculture, polyploid crops (like coffee,...Ch. 13 - Assume a pericentric inversion occurred in one of...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following statements is not true in comparing mitosis and meiosis? a. Twice the number of cells are produced in meiosis as in mitosis. b. Meiosis is involved in the production of gametes, unlike mitosis. c. Crossing over occurs in meiosis I but not in meiosis II or mitosis. d. Meiosis and mitosis both produce cells that are genetically identical. e. In both mitosis and meiosis, the parental cell is diploid.arrow_forwardNondisjunction can be caused by ________. a. crossing over in meiosis b. segregation in meiosis c. failure of chromosomes to separate during meiosis d. multiple independent assortmentsarrow_forwardIn the following diagram, designate each daughter cell as diploid (2n) or haploid (n).arrow_forward
- Which of the following statements is true regarding meiosis I?arrow_forwardIn regards to MEIOSIS, give the order of the following events in terms of chromosome number. Question 8 options: meiosis 2 and cytokinesis a total of four cells, each containing 23 chromosomes one cell containing 46 chromosomes meiosis 1 and cytokinesis one cell containing 92 chromosomes two cells containing 46 chromosomesarrow_forwardVery rarely, one member of a pair of identical (monozygotic) twins will have Turner syndrome (XO) and the other member will be normal (XX). Which of the following statements best explain this phenomenon. There was a non-disjunction event during mitosis in the zygote. O There was a non-disjunction event during meiosis in dad. there was a non-disjunction event during meiosis in either parent There was a non-disjunction event during meiosis in mom. Dad's X chromosome was inactivated, causing Turner syndrome.arrow_forward
- Polyploid organisms of a normally diploid species are often sterile because: tetraploids are not sterile some of the chromosomes cannot synapse during mitosis none of the chromosomes can synapse during meiosis all the homologous chromosomes attempt to synapse together during meiosisarrow_forwardA cell with a diploid number of 12 or a total of 12 chromosomes undergoes meiosis. Which of the following will be observed at the end of meiosis? 2 cells each with 6 chromosomes O4 cells each with 6 chromosomes ) 2 cells each with 12 chromosomes )4 cells each with 12 chromosomesarrow_forwardpair of homologous chromosomes pair of homologous chromosomes HH nondisjunction normal meiosis I meiosis II normal meiosis II nondisjunction Sometimes chromosomes or chromatids do not separate as they normally would during meiosis and this phenomenon is called non-disjuction. This phenomenon has occurred in the above diagrams during anaphase II in A and anphase I in B anaphase I in A and anaphase II in B metaphase I in A and metaphase II in B metaphase II in A and metaphase I in Barrow_forward
- Which of the following describes the products of meiosis? two haploid cells four haploid cells two diploid cells four diploid cellsarrow_forwardIf a diploid cell entering meiosis has 12 chromosome pairs, what is the number of possible chromosomes at the end of meiosis?arrow_forwardMitosis produces 2 daughter cells that are identical to the starting cell. Explain how meíosis is different using this diagram to help you. 1) How many cells are created through meiosis? 2) Describe the chromosomes in each gamete at the end of meiosis? Are the set of chromosomes in a gamete identical to the starting cell like they are in mitosis? Are there the same number of chromosomes in each gamete as the starting cell? Starting cell's chromosomes: 1А, 1B, 2A, 2B Interphase After the S phase of interphase: 4 pairs of sister chromatids 1A 1A 1B 1B 2A 2A 2B 2B Meiosis has 2 rounds of cell division 1A, 1A, 1B, 1B, 2A 2B 2A 2B tv MacBook Air DII DD 80 888 F9 F10 F6 F7 F8 F4 F3 * #3 2$ % & 8 9 3 4 E T. Y F G J K * CO Rarrow_forward
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