Which THREE factors might keep some of the dandelion seeds from becoming plants that produce their own seeds?
A. Other plants that block sunlight
O B. The distance a seed travels
C. Animals that eat plants
D. Lack of adequate soil and water

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

as in mitosis, dna replication occurs during interphase.   in meiosis, it occurs specifically in s phase of interphase 1.

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