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`1.
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`A method comprising,
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`providing target DNA molecules within a plurality of reaction volumes; and
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`fragmenting the target DNA molecules within the reaction volumes.
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`2.
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`The method of claim 1, wherein the provided target DNA molecules are
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`target DNA fragments.
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`3.
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`The method of claim 2, wherein the target DNA fragments are
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`chromosomal fragments.
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`4.
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`The method of claim 2, wherein the providing comprises fragmenting a
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`DNA sample to generate the target DNA fragments.
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`5.
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`The method of claim 1, wherein said fragmenting comprising contacting
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`the provided target DNA molecules in the reaction volumes with an enzyme that cleaves DNA.
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`6.
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`7.
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`8.
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`emulsion.
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`The method of claim 5, wherein the enzyme is a restriction enzyme.
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`The method of claim 1, wherein the reaction volumes are droplets.
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`The method of claim 7, wherein the droplets are contained within an
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`9.
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`The method of claim 1, wherein the reaction volumes are microcapsules.
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`10.
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`The method of claim 2, wherein the target DNA fragments are less than 10
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`kilobases (kb) in length.
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`11.
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`The method of claim 2, wherein the providing comprises fragmenting the
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`target DNA molecules outside the reaction volumes to form the target DNA fragments.
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`12.
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`The method of claim 1, wherein the reaction volumes are less than 1 uL,
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`or less than 100 nL in volume.
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`13.
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`The method of claim 1, wherein the m plurality of reaction volumes
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`comprise at least 1,000 or at least 10,000 reaction volumes.
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`73
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