The Cochlea

A dramatic illustration of how hearing happens in the ear. Includes audio narration.

1 minute 30 seconds
Large: Play: MOV / WMV  |  Download: MOV (6 MB)/ WMV (7 MB)
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Exclusion Mapping

A useful technique for narrowing down the location of a gene involves comparing the chromosomes of affected siblings. Two sisters with Rett syndrome allow researchers an opportunity to map the most likely location of the gene by excluding areas of the chromosome that are not alike. Includes audio narration.

32 seconds
Large: Play: MOV / WMV  |  Download: MOV (1 MB)/ WMV (1 MB)
Small: Play: MOV / WMV  |  Download: MOV (0.6 MB)/ WMV (0.4 MB)   |   Learn More

MECP2

This animation shows how the protein MECP2, in conjuction with another protein complex, can act as an "on-off' switch for gene expression. Includes audio narration.

43 seconds
Large: Play: MOV / WMV  |  Download: MOV (2 MB)/ WMV (3 MB)
Small: Play: MOV / WMV  |  Download: MOV (1 MB)/ WMV (0.9 MB)   |   Learn More

The Proteasome

A 3D animation showing how proteins in the cell are tagged for disposal and degraded by the proteasome. Includes audio narration.

1 minute 43 seconds
Large: Play: MOV / WMV  |  Download: MOV (6 MB)/ WMV (9 MB)
Small: Play: MOV / WMV  |  Download: MOV (3 MB)/ WMV (3 MB)   |   Learn More

SCA1 Pedigree

Illustrates how studying one family's pedigree can reveal an entire history of passing on a genetic disorder such as SCA1.

30 seconds
Large: Play: MOV / WMV  |  Download: MOV (2 MB)/ WMV (3 MB)
Small: Play: MOV / WMV  |  Download: MOV (1 MB)/ WMV (0.8 MB)

Tri Nucleotide Repeat

Slippage during DNA replication can lead to expanding sections of repeating nucleotides. Watch this animation to see how this problem occurs. Includes audio narration.

1 minute 7 seconds
Large: Play: MOV / WMV  |  Download: MOV (11 MB)/ WMV (16 MB)
Small: Play: MOV / WMV  |  Download: MOV (4 MB)/ WMV (4 MB)   |   Learn More

X Inactivation

This animation shows how the random deactivation of one of the X chromosomes in a pair can lead to a mozaicism in the expression genes. Includes audio narration.

55 seconds
Large: Play: MOV / WMV  |  Download: MOV (2 MB)/ WMV (2 MB)
Small: Play: MOV / WMV  |  Download: MOV (1 MB)/ WMV (1 MB)   |   Learn More