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Linkage was described by Morgan in Drosophila. Which of the following combinations are correct?
- a)(ii), (iv), (v)
- b)(i), (iii)
- c)(i), (iii), (v)
- d)(i) and (iv)
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Linkage was described by Morgan in Drosophila. Which of the following ...
Morgan observed that in his experiments with Drosophila, the F2 generation did not exhibit the expected 9:3:3:1 ratio due to linkage, with parental combinations being more frequent than recombinants. He attributed linkage to the physical association of genes on the same chromosome, not their chemical association. Thus, options (i) and (iii) are correct.
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Most Upvoted Answer
Linkage was described by Morgan in Drosophila. Which of the following ...
Understanding Linkage in Drosophila
Linkage refers to the phenomenon where genes located close together on a chromosome tend to be inherited together during meiosis. Thomas Hunt Morgan's work with Drosophila (fruit flies) laid the foundation for our understanding of genetic linkage.
Correct Combinations Explained
The question states that the correct answer is option 'B', which includes combinations (i) and (iii). Here’s a breakdown of why this is the case:
Combination (i)
- Definition of Linkage: This outlines the basic concept that genes close to each other on a chromosome are often inherited together.
Combination (iii)
- Morgan's Experiments: Morgan conducted experiments with Drosophila that demonstrated how certain traits (like body color and wing shape) were inherited together, providing key evidence for the concept of linkage.
Why Other Options are Incorrect
- Combination (ii): May refer to a trait that does not exhibit linkage, which contradicts the definition of linkage.
- Combination (iv): Could involve unlinked genes, further negating the principles established by Morgan.
- Combination (v): Might not accurately describe genetic interactions as related to the linkage concept or could represent a misunderstood scenario from Morgan's findings.
Conclusion
Morgan's discoveries provided crucial insights into genetic linkage. The correct option 'B', including combinations (i) and (iii), reflects the essence of his research and the principles that govern inheritance patterns in linked genes. Understanding these combinations helps clarify the foundational concepts of genetics crucial for examinations like NEET.
Linkage refers to the phenomenon where genes located close together on a chromosome tend to be inherited together during meiosis. Thomas Hunt Morgan's work with Drosophila (fruit flies) laid the foundation for our understanding of genetic linkage.
Correct Combinations Explained
The question states that the correct answer is option 'B', which includes combinations (i) and (iii). Here’s a breakdown of why this is the case:
Combination (i)
- Definition of Linkage: This outlines the basic concept that genes close to each other on a chromosome are often inherited together.
Combination (iii)
- Morgan's Experiments: Morgan conducted experiments with Drosophila that demonstrated how certain traits (like body color and wing shape) were inherited together, providing key evidence for the concept of linkage.
Why Other Options are Incorrect
- Combination (ii): May refer to a trait that does not exhibit linkage, which contradicts the definition of linkage.
- Combination (iv): Could involve unlinked genes, further negating the principles established by Morgan.
- Combination (v): Might not accurately describe genetic interactions as related to the linkage concept or could represent a misunderstood scenario from Morgan's findings.
Conclusion
Morgan's discoveries provided crucial insights into genetic linkage. The correct option 'B', including combinations (i) and (iii), reflects the essence of his research and the principles that govern inheritance patterns in linked genes. Understanding these combinations helps clarify the foundational concepts of genetics crucial for examinations like NEET.
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Linkage was described by Morgan in Drosophila. Which of the following combinations are correct?a)(ii), (iv), (v)b)(i), (iii)c)(i), (iii), (v)d)(i) and (iv)Correct answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Linkage was described by Morgan in Drosophila. Which of the following combinations are correct?a)(ii), (iv), (v)b)(i), (iii)c)(i), (iii), (v)d)(i) and (iv)Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Linkage was described by Morgan in Drosophila. Which of the following combinations are correct?a)(ii), (iv), (v)b)(i), (iii)c)(i), (iii), (v)d)(i) and (iv)Correct answer is option 'B'. Can you explain this answer?.
Linkage was described by Morgan in Drosophila. Which of the following combinations are correct?a)(ii), (iv), (v)b)(i), (iii)c)(i), (iii), (v)d)(i) and (iv)Correct answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Linkage was described by Morgan in Drosophila. Which of the following combinations are correct?a)(ii), (iv), (v)b)(i), (iii)c)(i), (iii), (v)d)(i) and (iv)Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Linkage was described by Morgan in Drosophila. Which of the following combinations are correct?a)(ii), (iv), (v)b)(i), (iii)c)(i), (iii), (v)d)(i) and (iv)Correct answer is option 'B'. Can you explain this answer?.
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