Question:
Which of the following statements is true about a sport in horticulture?
Which of the following statements is true about a sport in horticulture?
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Remember sports in horticulture:
- A sport is a mutation in a single bud.
- It is heritable through vegetative propagation.
- It can be genetic (DNA mutation) or epigenetic (methylation).
- Examples: Starking Delicious (apple), Ruby Red grapefruit.
- Sports are important for developing new varieties.
- A sport is a mutation in a single bud.
- It is heritable through vegetative propagation.
- It can be genetic (DNA mutation) or epigenetic (methylation).
- Examples: Starking Delicious (apple), Ruby Red grapefruit.
- Sports are important for developing new varieties.
Updated On: Aug 19, 2026
- It is a phenotypic variation
- It can be genetic or epigenetic
- It is non heritable
- It is highly undesirable
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
This question tests knowledge of sports (bud sports) in horticulture.
Step 2: Detailed Explanation:
A sport (bud sport) is a mutation that occurs in a single bud, resulting in a variant shoot.
Characteristics of sports:
- It can be genetic (DNA change) or epigenetic (gene expression change).
- It is heritable through vegetative propagation.
- It often results in desirable changes (e.g., color, fruit size).
- It is a phenotypic variation but can be heritable.
Analyzing options:
- (A) It is a phenotypic variation: True but incomplete.
- (B) It can be genetic or epigenetic: True and complete.
- (C) It is non heritable: False (sports are heritable through cloning).
- (D) It is highly undesirable: False (sports are often desirable).
Thus, the most accurate statement is that a sport can be genetic or epigenetic.
Step 3: Final Answer:
Thus, the correct answer is that it can be genetic or epigenetic, which corresponds to option (B).
[0.5cm]
This question tests knowledge of sports (bud sports) in horticulture.
Step 2: Detailed Explanation:
A sport (bud sport) is a mutation that occurs in a single bud, resulting in a variant shoot.
Characteristics of sports:
- It can be genetic (DNA change) or epigenetic (gene expression change).
- It is heritable through vegetative propagation.
- It often results in desirable changes (e.g., color, fruit size).
- It is a phenotypic variation but can be heritable.
Analyzing options:
- (A) It is a phenotypic variation: True but incomplete.
- (B) It can be genetic or epigenetic: True and complete.
- (C) It is non heritable: False (sports are heritable through cloning).
- (D) It is highly undesirable: False (sports are often desirable).
Thus, the most accurate statement is that a sport can be genetic or epigenetic.
Step 3: Final Answer:
Thus, the correct answer is that it can be genetic or epigenetic, which corresponds to option (B).
[0.5cm]
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