Answer the following What are the modern methods of animal breeding?

What are the main objectives of animal breeding?

Answer the following What are sex chromosomes?

What are the terminal methods of family planning ?

What are the barrier method of contraception ?

Write short notes on : Animal breeding

What is meant by the term breed ? What are the objectives of animal breeding ?

A breed of cow is mated with closely related breed for five generations. It was found that production of milk has reduced subsequently and the animals are not keeping good health. Which of the following methods of animals breeding can overcome this problem?

Write down the purpose behind animal breeding.

What are polymers? What are the different methods of their preparation?