Use the pedigree on the right to determine the genotype of Ryan. XRXR XRY XRXr XrY A pedigree for Ben and Lisa is shown. Ben is an empty square with an X Upper R Y genotype. Lisa is a half-filled circle with a X Upper R Upper X r genotype. Ben and Lisa have 2 children: Mike and Time. Mike has an empty square with a X Upper R Y genotype, and Tim has a filled square with Upper X r Upper Y genotype. Tim and Carol, who has a half-filled circle, have one child Ryan. Ryan has an empty square.

XRXr

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the transfer of energy between two molecules spaced just nanometers apart plays a key role in many technologies, including photovoltaics, quantum information systems, lighting, and sensors, as well as in biophysics to measure nanometer distances and in photosynthesis. but an open question in this area is what effect, if any, the surrounding photonic environment has on this nanoscale energy transfer. by designing and performing a carefully controlled experiment to answer this question, scientists have settled the debate and found clues to improving the efficiency of many of the technologies that rely on this process.

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