Natural Selection:Question 1
Which statements are true of both natural selection and artificial
selection?
Choose all that apply:
New traits are introduced into a population through genetic engineering.
Favorable traits accumulate in a population.
Genetic mutations produce variation in traits.
Humans choose specific organisms to reproduce.
Answers: 3
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What must happen before meiosis can begin? a. four gametes must be produced b. the four tetrads must be pulled apart c. dna doubles and produces sister chromatids d. the cell membrane pinches together
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Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries
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Natural Selection:Question 1
Which statements are true of both natural selection and artificial
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