Question:
Chromosomal basis of inheritance suggested by Sutton and Boveri is based on ________
Chromosomal basis of inheritance suggested by Sutton and Boveri is based on ________
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Sutton-Boveri link: Chromosome behavior = Mendel’s laws (segregation & assortment).
Updated On: May 4, 2026
- segregation of genes.
- Mendel's concept of stable factors.
- sex linkage
- presence of sex chromosome.
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The Correct Option is A
Solution and Explanation
Concept:
Sutton and Boveri proposed the Chromosomal Theory of Inheritance, linking Mendel’s laws with the behavior of chromosomes during meiosis.
Step 1: Understand their idea. They observed that:
• Chromosomes occur in pairs
• They separate (segregate) during gamete formation
• This behavior is similar to Mendel’s law of segregation
Step 2: Core basis. Their theory is mainly based on: \[ \text{Segregation of homologous chromosomes} \leftrightarrow \text{Segregation of genes} \]
Step 3: Analyze options.
• (A) Segregation of genes → Correct \checkmark
• (B) Stable factors → General idea, not basis $\times$
• (C) Sex linkage → Later discovery $\times$
• (D) Sex chromosomes → Not the core basis $\times$
Step 4: Conclusion. \[ \text{Chromosomal theory is based on segregation of genes} \]
Sutton and Boveri proposed the Chromosomal Theory of Inheritance, linking Mendel’s laws with the behavior of chromosomes during meiosis.
Step 1: Understand their idea. They observed that:
• Chromosomes occur in pairs
• They separate (segregate) during gamete formation
• This behavior is similar to Mendel’s law of segregation
Step 2: Core basis. Their theory is mainly based on: \[ \text{Segregation of homologous chromosomes} \leftrightarrow \text{Segregation of genes} \]
Step 3: Analyze options.
• (A) Segregation of genes → Correct \checkmark
• (B) Stable factors → General idea, not basis $\times$
• (C) Sex linkage → Later discovery $\times$
• (D) Sex chromosomes → Not the core basis $\times$
Step 4: Conclusion. \[ \text{Chromosomal theory is based on segregation of genes} \]
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