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DIRECTIONS: Read the passage given below and answer the questions that follow. Passage To improve the quality and production of wool, of our indigenous sheep, cross-breeding programme has been undertaken at a number of research centers in our country. During such trials, indigenous and exotic breeds of sheep are made to cross-breed for the production of superior wool quality and mutton. A superior quality sheep with desirable characteristics will be formed eventually after continuous selection and breeding programmes. Which of the following characteristic of the parents is chosen for selective breeding?

A) Wool type

B) Resistance to disease

C) Tolerance to climate conditions

D) All of these