If the outcome in terms of offspring of a cross yields a ratio of phenotypes that is 1 showing the dominant trait to 1 showing the recessive trait (1:1), the genotypes of the parents of that cross are:     a. both homozygous dominant for the trait     b. both heterozygous for the trait     c. both homozygous recessive for the trait     d. one homozygous recessive and one heterozygous for the trait

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Intelligent Machines

Machines that use artificial intelligence to learn from the environment and past experiences to perform better in the presence of variability and uncertainty are called intelligent machines. Intelligence develops according to environment and experience. It is human-like behavior. When the computer system or any programmed machine learns from the inputs and corresponding outputs, it can be called an intelligent machine.