|Consider the following statements.|
|1. The male chromosome is always responsible for sex determination in every organic species.|
|2. Change of even a single base pair in DNA can be the cause of mutation.|
|3. Sickle Cell Anemia is a genetic disorder.|
|4. Hybridoma Technology is very useful in treatment of cancer.|
|Which of the statements given above are correct?|
A) 1 and 2
B) 2, 3 and 4
C) 2 and 4
D) All of these
Correct Answer: B
Solution :[b] Statement 1 is incorrect because in many species of birds female chromosome is sex determinator. Statement 2 correct change of even a single base pair in DNA can be the cause of mutation. Statement 3 and Statement 4 is also correct as Sickle Cell Anemia is a genetic disorder. Hybridoma Technology is useful in treatment of cancer.
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