GED Science Practice

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Prepare for the GED Science Exam with our comprehensive quizzes featuring flashcards and multiple-choice questions. Each question includes hints and explanations to help you grasp essential concepts and succeed.

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What is a hybrid?

a) Of or relating to or used in the production of electricity by waterpower
b) An organism that is the offspring of genetically dissimilar parents or stock
c) An organic compound containing only carbon and hydrogen
d) A technique of growing plants (without soil) in water containing dissolved nutrients

The correct answer is: b) An organism that is the offspring of genetically dissimilar parents or stock

A hybrid refers to an organism that is the offspring of genetically dissimilar parents or stock. This definition encompasses various biological contexts, such as plant and animal breeding, where hybrids are produced to combine desirable traits from two different species or varieties. For example, a mule is a hybrid between a horse and a donkey, inheriting qualities from both parent species. The other options describe different concepts: the first relates to hydroelectric power, focusing on the energy produced via water; the third discusses organic compounds specifically made of carbon and hydrogen, which does not pertain to the concept of hybrids; and the fourth describes hydroponics, a method of growing plants in nutrient-rich water, which is unrelated to the genetic mixing implied by hybridization.