Answered: Obvious differences in the position of…

Obvious differences in the position of chromosome copies are clear during metaphase of mitosis and meiosis. How would you describe these changes?

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter6: Cytogenetics: Karyotypes And Chromosome Aberrations

Section: Chapter Questions

Problem 14QP: Variations in Chromosome NumberAneuploidy Describe the process of nondisjunction and explain when it...

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Concept explainers

Oogenesis

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Cell Division

Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:

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Obvious differences in the position of chromosome copies are clear during metaphase of mitosis and meiosis. How would you describe these changes?

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During which phases of the mitotic cycle would the terms chromosome and chromatid refer to identical structures?
What is the major difference between a metaphase chromosome and a telophase chromosome in mitosis?
Compare and contrast the appearance of chromosomes AND the behaviour of chromosomes at analogous phases of mitosis and meiosis (e.g., metaphase of mitosis, metaphase I, metaphase II).
Metaphase and Meiosis are distinct cellular processes. Draw and label two cells that illustrate the cell pictured below in Metaphase of Mitosis and Metaphase I of Meiosis. Indicate the position of all chromosomes, centrosomes and microtubules.
A Common Wombat has 14 chromosomes in one of its somatic (nonreproductive) cells. One of these cells goes into mitosis. How many cells result, and how many chromosomes does each one of these cells have?
In terms of chromosome composition, are the two daughter cells in mitosis identical? Are they identical to the parental cell? If yes, cite 3 ways by which daughter cells and their parental cell are identical.
consider a diploid cell that contains three pairs of chromosomes designated AA, BB, and CC. Each pair contains a maternal and a paternal member (e.g., Am and Ap, etc.). Using these designations, demonstrate your understanding of mitosis and meiosis by drawing chromatid combinations as requested. Be sure to indicate when chromatids are paired as a result of replication and/or synapsis. You may wish to use a large piece of brown manila wrapping paper or a large cut-up paper bag and work with another student as you deal with these problems. Such cooperative learning may be a useful approach as you solve problems throughout the text. Draw all possible combinations of chromatids during anaphase II in meiosis.
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What is the correct chromosomal condition at prometaphase of mitosis? A B C D E
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In meiosis, each centromere has a spindle fiber attached only to one side. In mitosis, each centromere has a spindle attached to how many sides?
in metaphase 1 of meiosis, the homologous chromosomes line up side by side along the equator so that crossing over can occur between the homologous pairs and the homologous chromosomes can be pulled to opposite poles during anaphase 1. in mitosis, by contrast, homologous chromosomes line up single file along the equator. what benefits are derived from these two different ways that homologous chromosomes are positioned at metaphase in meiosis and mitosis?