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Nails and Fingerprints

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Script: Fingernails and toenails begin to develop.

Unique fingerprints appear 10 weeks after fertilization. These patterns can be used for identification throughout life.

All ages referenced to fertilization, not last menstrual period.

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Nails and Fingerprints
( 11 weeks)

The Rooting Reflex
( 3 months)

Responds to Touch
( 3 months)

Gender Differences
( 3 months, 2 weeks)

Tooth Development Begins
( 3 months, 2 weeks)

Blood Cells and Bone Marrow
( 3 months, 3 weeks)