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Class 12 Biology Practice Test: Inheritance Principles - Pleiotropy
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Class 12 Biology Practice Test: Inheritance Principles - Pleiotropy
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16 Questions

1. Which of the following enzymes is not present in the patients of Phenylketonuria?
2. Y chromosome plays a very significant role in the sex determination of Drosophila.
3. Which of the following determines is responsible for determining the sex of the bacteria?
4. Which of the following is a sex-influenced trait?
5. Which of the following is not an example of a holandric trait?
6. Phenylketonuria is a sex-linked dominant trait.
7. Accumulation of which of the following in the brain leads to phenylketonuria?
8. Which of the following does not show an environmental mechanism of sex determination?
9. Which of the following is not an example of sex-limited traits?
10. Which of the following is not a symptom of phenylketonuria?
11. What is the X/A ratio of super females of Drosophila?
12. What is the mechanism behind pleiotropy?
13. What is the full form of PKU?
14. How does Gynander differ from Gynandromorphs?
15. Which of the following shows gynandromorphism?
16. How is pleiotropy different from polygenic inheritance?

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