Q830
Consider the following events which are significant in the development of improved varieties/hybrids of plants 1. Morgan discovered genes on chromosomes. 2. Knight noted that male and female parents contributed equally to F1-generation. 3. Correns and de Vries rediscovered Mendel's laws of heredity. 4. Tomato carrying flavour gene is introduced. What is the correct chronological sequence of the above events?
A.
1, 2, 3 and 4
B.
2, 3, 1 and 4
AnswerC.
3, 2, 1 and 4
D.
2, 1, 4 and 3
Answer: Option B
Solution
Answer: Option B
Solution:
The correct chronological sequence of the event in the development of improved varieties or hybrids of plants are as follows:1. Knight noted that male and female parents contributed equally to the F1-generation.
2. Correns and de Vries rediscovered Mendel's laws of heredity.
3. Morgan discovered genes on chromosomes.
4. Tomato-carrying flavour gene is introduced.