Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Question
Chapter 11.5, Problem 1R
Summary Introduction
To review:
The processes of crossing over and independent assortment that forms unique daughter nuclei.
Introduction:
Crossing over is a process of meiosis that takes place during the late prophase I stage. In this, the genetic material is exchanged within two nonsister chromatids of the homologous chromosomes. Independent assortment is a process that takes place during meiosis. The homologous chromosome pairs are separated into half numbers to give rise to haploid cells. This separation is random.
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During meiosis, does random assortment occur before or after crossing-over?
In which phases of mitosis and meiosis are the principles of segregation and independent assortment at work?
What is independent assortment, and during what phase of meiosis does it occur?
Chapter 11 Solutions
Life: The Science of Biology
Ch. 11.1 - Prob. 1RCh. 11.1 - Prob. 2RCh. 11.1 - Prob. 3RCh. 11.2 - Prob. 1RCh. 11.2 - Prob. 2RCh. 11.2 - Prob. 3RCh. 11.2 - Prob. 4RCh. 11.3 - Prob. 1RCh. 11.3 - Prob. 2RCh. 11.3 - Prob. 3R
Ch. 11.3 - Prob. 4RCh. 11.3 - Prob. 5RCh. 11.4 - Prob. 1RCh. 11.4 - Prob. 2RCh. 11.4 - Prob. 3RCh. 11.4 - Prob. 4RCh. 11.5 - Prob. 1RCh. 11.5 - Prob. 2RCh. 11.5 - Prob. 3RCh. 11.5 - Prob. 4RCh. 11.6 - Prob. 1RCh. 11.6 - Prob. 2RCh. 11.6 - Prob. 3RCh. 11.7 - Prob. 1RCh. 11.7 - Prob. 2RCh. 11.7 - Prob. 3R
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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
- What is crossing over? How is meiosis related to this phenomenon?arrow_forwardwhat event takes place during meiosis prophase (as opposed to mitosis prophase) that makes it possible for crossing-over to occur?arrow_forwardWhen the tetrads are formed during meiosis, what is the benefit of crossing over?arrow_forward
- what is Meiotic Nondisjunction?arrow_forwardWhat is crossing over, when does it occur and what is its importance?arrow_forwardHow does anaphase I of meiosis differ from anaphase of mitosis? Does the number of chromatids per chromosome change in anaphase I? Does the number of sets of chromosomes per nucleus change in anaphase I?arrow_forward
- Describe the Principles of Segregation and Independent Assortment in terms of Genetics. How do these Principles express during Meiosis?arrow_forwardWhat is being separated during anaphase I of meiosis? What happens to the sister chromatids during anaphase I?arrow_forwardList four major types of aneuploidy.arrow_forward
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