Question:
The symbol for the gene controlling bitter-free cucumber fruits is
The symbol for the gene controlling bitter-free cucumber fruits is
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Cucumber bitterness:
- bi/bi: Bitter-free (recessive).
- Bi/Bi, Bi/bi: Bitter.
- Bitterness is due to cucurbitacins.
- bi/bi: Bitter-free (recessive).
- Bi/Bi, Bi/bi: Bitter.
- Bitterness is due to cucurbitacins.
Updated On: Sep 1, 2026
- bi/bi
- Bi/Bi
- Bi/bi
- B/b
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Question:
This question tests knowledge of cucumber genetics and bitterness.
Step 2: Detailed Explanation:
The gene for bitter-free cucumber fruits is represented as bi/bi.
The recessive allele (bi) is responsible for the absence of bitterness.
Bi/Bi (B) and Bi/bi (C) would produce bitter fruits.
B/b (D) is not the correct notation.
Thus, bi/bi is the bitter-free genotype.
Step 3: Final Answer:
Thus, the symbol for the gene controlling bitter-free cucumber fruits is bi/bi, which corresponds to option (A).
[0.5cm]
This question tests knowledge of cucumber genetics and bitterness.
Step 2: Detailed Explanation:
The gene for bitter-free cucumber fruits is represented as bi/bi.
The recessive allele (bi) is responsible for the absence of bitterness.
Bi/Bi (B) and Bi/bi (C) would produce bitter fruits.
B/b (D) is not the correct notation.
Thus, bi/bi is the bitter-free genotype.
Step 3: Final Answer:
Thus, the symbol for the gene controlling bitter-free cucumber fruits is bi/bi, which corresponds to option (A).
[0.5cm]
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