Practice - Gene Mapping (Linkage and Recombination)
Practice Questions
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What does 'linkage' refer to in genetics?
💡 Hint: Think about genes that are close to each other.
Define crossing over.
💡 Hint: Consider the process that reshuffles genetic material.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is linkage in genetics?
💡 Hint: Think about how genes are organized in the chromosome.
True or False: Crossing over can increase genetic diversity.
💡 Hint: Consider the outcomes when chromosomes exchange parts.
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Challenge Problems
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In a test cross of two genes A and B, you observe the following offspring: 450 AB, 450 ab, 50 Ab, and 50 aB. Calculate the recombination frequency. What does this tell you about the distance between genes A and B?
💡 Hint: Count the total offspring and calculate the recombinant count carefully.
If two genes in an organism show a recombination frequency of 10%, what does this indicate about their physical distance on the chromosome? How might this information be utilized in genetic research?
💡 Hint: Consider how RF correlates with genetic mapping.
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