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two parents heterozygous for cystic fibrosis have a child with the disease. The parents areexpecting a second child. What is the probability that the second child will also have cystic fibrosis? A. 75% probability B. 0% probability C. 100% probability D. 50% probability E. 25% probability - Answer E. 25% probability Which of the following is a regulatory protein that influence the ability of RNA polymerase to transcribe a gene? A. DNA polymerase B. intron C. transcription factor ...

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Element - Answer A substance that cannot be broken down to any other substance by chemical reaction Atom - Answer Smallest unit of matter that retains the properties of an element Proton - Answer Subatomic particle with a positive charge located in the nucleus; amount determines which element the atom is Neutron - Answer Subatomic particle with a neutral charge located in the nucleus; used to figure the atomic mass of an atom Electron - Answer Subatomic particle with a...

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