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What type of immunity is passed from the hen to the chick through the egg?

  1. Active immunity

  2. Acquired immunity

  3. Inherited immunity

  4. Passive immunity

The correct answer is: Inherited immunity

The type of immunity passed from the hen to the chick through the egg is passive immunity. This occurs when antibodies produced by the hen are transferred to the chick through the yolk of the egg. These antibodies provide the chick with immediate protection against certain diseases while its own immune system is still developing. Passive immunity is temporary, and the chick will eventually lose this immunity as it ages, but it is crucial in the early weeks of life. The antibodies from the hen help to shield the chick from infections until it can produce its own immune response. This is different from active immunity, which results from the immune system' s response to a pathogen or vaccination, or acquired immunity, which refers to immunity that is developed after exposure to an antigen. Inherited immunity is not a term commonly used in this context, as it generally refers to genetics rather than the transfer of antibodies.