n-disjunction is the word we use to describe the failure of a pair of homologous chromosomes or ter chromatids to be separated during a cell division. agine a diploid cell with a genome contained in two unique chromosomes (chromosome A and omosome B). On a sheet of paper, sketch the process of meiosis for this cell. Differentiate mologous chromosomes as A', A", B', B". Use the sketch to answer the following questions: What chromosomes do your four gametes contain? diff the

n-disjunction is the word we use to describe the failure of a pair of homologous chromosomes or ter chromatids to be separated during a cell division. agine a diploid cell with a genome contained in two unique chromosomes (chromosome A and omosome B). On a sheet of paper, sketch the process of meiosis for this cell. Differentiate mologous chromosomes as A', A", B', B". Use the sketch to answer the following questions: What chromosomes do your four gametes contain? diff the

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

Chapter9: Patterns Of Inheritance

Section: Chapter Questions

Problem 3FIO

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Similar questions

Variations in Chromosome NumberAneuploidy Describe the process of nondisjunction and explain when it takes place during cell division.
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
Compare meiotic anaphase I with meiotic anaphase II. Which meiotic anaphase is most similar to the mitotic anaphase?
Which type(s) of cell division (mitosis, meiosis I,meiosis II) reduce(s) the chromosome number byhalf? Which type(s) of cell division can be classifiedas reductional? Which type(s) of cell division can beclassified as equational?
During meiosis, cells undergo two rounds of nuclear and cell division, but only one round of DNA synthesis. Describe the main differences between anaphase of mitosis and anaphase I in meiosis. Why are these differences important for meiosis to occur correctly?
Assume that the diploid number of a certain species is four chromosomes, two large and two small (2n=4). a) Of the following figures, which represents a 3n (triploid) cell in mitotic metaphase? b) For each of the wrong answers from part (a) above, explain briefly why it cannot represent a triploid cell in mitotic metaphase.
The dog Canis familiaris is a diploid organism with 39 pairs of homologous chromosomes. For the dog, how many chromosomes and chromatids are present in one nucleus at each of the following stages of the cell cycle? Also state whether each of the entries are diploid or haploid. i. One product of Telophase of mitosis ii. A meiocyte in Prophase I of meiosis iii. A meiocyte in Prophase II of meiosis iv. One product of telophase II of meiosis
If an organism has 15 pairs of homologous chromosomes, how many chromosomes will each daughter cell have after telophase of mitosis? In this same organism, how many chromosomes will each daughter cell have after telophase II of meiosis?
A diploid species has four chromosomes per set for a total of eightchromosomes in its somatic cells. Draw such a cell as it wouldlook in late prophase of meiosis II and prophase of mitosis. Discuss how prophase of meiosis II and prophase of mitosis differfrom each other, and explain how the difference originates.
A micrograph of a mutated dividing cell from a zebrafish showed 19 chromosomes, each consisting of two sister chromatids. Which of the following stages of cell division would you expect such micrograph have been taken? a. prophase I of meiosis b. telophase II of mitosis c. prophase of mitosis d. prophase II of meiosis
A cell is diploid and contains three chromosomes per set. Draw thearrangement of the chromosomes during metaphase of mitosis andmetaphase of meiosis I and II. In your drawing, make one set darkand the other lighter
A diploid cell has eight chromosomes, four per set. In the followingdiagram, in what phase of mitosis, meiosis I, or meiosis II, is this cell?