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Choose the correct statement about recombination and linkage
- a)Complete linkage results in higher non-parental gene combinations than parental type
- b)Recombination results in the generation of parental gene combinations
- c)Genetic maps are constructed by using the frequency of recombination between gene pairs
- d)T.H. Morgan constructed the first chromosome map
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Choose the correct statement about recombination and linkagea)Complete...
Genetic maps are constructed using the frequency of recombination between gene pairs, which helps in determining the relative positions of genes on a chromosome. Options A and B are incorrect, as complete linkage results in only parental types, and T.H. Morgan did not construct the first chromosome map but contributed to the development of genetic mapping concepts.
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Choose the correct statement about recombination and linkagea)Complete...
Understanding Genetic Maps and Recombination
Genetic mapping is a fundamental concept in genetics that helps to determine the location of genes on chromosomes. The correct statement among the options given is:
Genetic maps are constructed by using the frequency of recombination between gene pairs.
Explanation of Option C
- **Recombination and Linkage**: Recombination occurs during meiosis when homologous chromosomes exchange genetic material. This process leads to the formation of new allele combinations. The frequency of recombination between two genes is inversely related to their physical distance on a chromosome.
- **Construction of Genetic Maps**: Genetic maps utilize the frequency of recombination to estimate the relative positions of genes. The more frequently two genes recombine, the farther apart they are likely to be. This is quantified as a percentage, known as recombination frequency, which helps in constructing a map.
- **T.H. Morgan's Contribution**: T.H. Morgan was pivotal in demonstrating the principles of linkage and recombination. He used fruit flies (Drosophila) to show how genes are inherited and developed the first chromosome maps based on recombination frequencies.
Why Other Options Are Incorrect
- **Option A**: Complete linkage results in only parental types, not higher non-parental combinations.
- **Option B**: Recombination generates non-parental combinations rather than parental ones.
- **Option D**: While Morgan constructed the first chromosome map, the statement does not directly relate to the role of recombination frequency, making option C the most accurate.
Conclusion
Understanding the role of recombination in genetic mapping is crucial for grasping how traits are inherited and how genetic diversity arises in populations.
Genetic mapping is a fundamental concept in genetics that helps to determine the location of genes on chromosomes. The correct statement among the options given is:
Genetic maps are constructed by using the frequency of recombination between gene pairs.
Explanation of Option C
- **Recombination and Linkage**: Recombination occurs during meiosis when homologous chromosomes exchange genetic material. This process leads to the formation of new allele combinations. The frequency of recombination between two genes is inversely related to their physical distance on a chromosome.
- **Construction of Genetic Maps**: Genetic maps utilize the frequency of recombination to estimate the relative positions of genes. The more frequently two genes recombine, the farther apart they are likely to be. This is quantified as a percentage, known as recombination frequency, which helps in constructing a map.
- **T.H. Morgan's Contribution**: T.H. Morgan was pivotal in demonstrating the principles of linkage and recombination. He used fruit flies (Drosophila) to show how genes are inherited and developed the first chromosome maps based on recombination frequencies.
Why Other Options Are Incorrect
- **Option A**: Complete linkage results in only parental types, not higher non-parental combinations.
- **Option B**: Recombination generates non-parental combinations rather than parental ones.
- **Option D**: While Morgan constructed the first chromosome map, the statement does not directly relate to the role of recombination frequency, making option C the most accurate.
Conclusion
Understanding the role of recombination in genetic mapping is crucial for grasping how traits are inherited and how genetic diversity arises in populations.
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Choose the correct statement about recombination and linkagea)Complete linkage results in higher non-parental gene combinations than parental typeb)Recombination results in the generation of parental gene combinationsc)Genetic maps are constructed by using the frequency of recombination between gene pairsd)T.H. Morgan constructed the first chromosome mapCorrect answer is option 'C'. Can you explain this answer? for NEET 2026 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Choose the correct statement about recombination and linkagea)Complete linkage results in higher non-parental gene combinations than parental typeb)Recombination results in the generation of parental gene combinationsc)Genetic maps are constructed by using the frequency of recombination between gene pairsd)T.H. Morgan constructed the first chromosome mapCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Choose the correct statement about recombination and linkagea)Complete linkage results in higher non-parental gene combinations than parental typeb)Recombination results in the generation of parental gene combinationsc)Genetic maps are constructed by using the frequency of recombination between gene pairsd)T.H. Morgan constructed the first chromosome mapCorrect answer is option 'C'. Can you explain this answer?.
Choose the correct statement about recombination and linkagea)Complete linkage results in higher non-parental gene combinations than parental typeb)Recombination results in the generation of parental gene combinationsc)Genetic maps are constructed by using the frequency of recombination between gene pairsd)T.H. Morgan constructed the first chromosome mapCorrect answer is option 'C'. Can you explain this answer? for NEET 2026 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Choose the correct statement about recombination and linkagea)Complete linkage results in higher non-parental gene combinations than parental typeb)Recombination results in the generation of parental gene combinationsc)Genetic maps are constructed by using the frequency of recombination between gene pairsd)T.H. Morgan constructed the first chromosome mapCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Choose the correct statement about recombination and linkagea)Complete linkage results in higher non-parental gene combinations than parental typeb)Recombination results in the generation of parental gene combinationsc)Genetic maps are constructed by using the frequency of recombination between gene pairsd)T.H. Morgan constructed the first chromosome mapCorrect answer is option 'C'. Can you explain this answer?.
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