Question:
The gene linkage minimize the chances of
The gene linkage minimize the chances of
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Linkage is the "exception" to independent assortment. The closer the genes, the more they behave like a single package.
Updated On: Jul 9, 2026
- \( \text{Cross over} \)
- \( \text{Segregation} \)
- \( \text{Recombination} \)
- \( \text{Assortment} \)
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The Correct Option is C
Solution and Explanation
Concept:
Linkage describes the physical proximity of genes located on the same chromosome.
• Genes that are located very close to each other tend to be inherited together as a single unit.
• This phenomenon contrasts with Mendel's Law of Independent Assortment.
Step 1: Understanding Linkage and Crossing Over.
During meiosis, chromosomes undergo a process called crossing over where genetic material is exchanged. If two genes are "linked" (close together), the probability of a break occurring exactly between them is significantly reduced.
Step 2: Effect on Recombination.
Recombination refers to the production of offspring with combinations of traits that differ from those found in either parent. Because linkage keeps parental gene combinations together, it directly minimizes the frequency of recombination. Therefore, the stronger the linkage between two genes, the lower the chance of new genetic recombinants forming. Final Answer: Gene linkage minimizes the chances of Recombination.
• Genes that are located very close to each other tend to be inherited together as a single unit.
• This phenomenon contrasts with Mendel's Law of Independent Assortment.
Step 1: Understanding Linkage and Crossing Over.
During meiosis, chromosomes undergo a process called crossing over where genetic material is exchanged. If two genes are "linked" (close together), the probability of a break occurring exactly between them is significantly reduced.
Step 2: Effect on Recombination.
Recombination refers to the production of offspring with combinations of traits that differ from those found in either parent. Because linkage keeps parental gene combinations together, it directly minimizes the frequency of recombination. Therefore, the stronger the linkage between two genes, the lower the chance of new genetic recombinants forming. Final Answer: Gene linkage minimizes the chances of Recombination.
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