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

1. In humans, only tall and short people exist.
2. Which of the following is a classic example of polygenic inheritance?
3. Which of the following conclusions can be made by studying a histogram?
4. On how many loci the genes responsible for skin colour are present?
5. Which of the following scientists demonstrated the quantitative traits in wheat?
6. Davenport showed that six pairs of genes are involved in controlling the skin colour in humans.
7. Which of the following curves can be a representation of the skin colour in a population?
8. Which two varieties of wheat were crossed by H. Nilsson to study the kernel colour in wheat?
9. What are polygenes?
10. What was the ratio of F2 generation when red and white kernelled variety of wheat were crossed?
11. On which of the following factors, the amount of melanin produced depends?
12. Which of the following is not a phenotypic class of the F2 generation in wheat?
13. What are polygenic traits?
14. On which of the following factor, the degree of redness of progenies depend?
15. What kinds of traits were described by Mendel?
16. Which of the following is not an example of quantitative trait?

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