Podcast
Questions and Answers
Which of the following is true about crossing over?
Which of the following is true about crossing over?
What does complete linkage between two genes mean?
What does complete linkage between two genes mean?
What does a chromosome map indicate?
What does a chromosome map indicate?
What is a linkage group?
What is a linkage group?
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What is the relationship between the frequency of crossing over and the distance between genes on a chromosome?
What is the relationship between the frequency of crossing over and the distance between genes on a chromosome?
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Study Notes
Crossing Over and Linkage
- Crossing over is the exchange of genetic material between homologous chromosomes during meiosis, resulting in genetic recombination.
- Complete linkage between two genes means that they are always inherited together due to their close proximity on the same chromosome.
- A chromosome map indicates the relative positions of genes along a chromosome, showing the distance between genes in terms of the frequency of crossing over.
- A linkage group is a set of genes that tend to be inherited together because they are located close to each other on the same chromosome.
- The frequency of crossing over is directly related to the distance between genes on a chromosome: the closer the genes are, the lower the frequency of crossing over, and vice versa.
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Description
Test your knowledge on linkage, crossing over, and mapping of genes with this quiz. Explore concepts such as independent assortment, the frequency of crossing over, and the resulting recombination. Learn about chromosome maps and how they indicate the relative location of genes on a chromosome. Copyright © 2019 Pearson Education, Inc. All Rights Reserved.
