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Answer» Lean and thin parents MAY have fat progeny. Traits which are not inherited over generations do not cause evolution. Frequency of certain genes in a population CHANGES after several generations. Reduction in weight of the organism due to STARVATION is genetically controlled. Solution :Weight of body depends on diet and habits. If somebody is not eating he will definitely lose weight as the body fat will be used for PRODUCTION of energy once glycogen RESERVE finishes.
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