Loss of function mutations of CCDC103 lead to loss of the inner and outer dynein arm complexes. Most cilia exhibit complete cilia paralysis.

Homozygous mutation c.383_384insG; p.Gly128fs*25: video 1.
Homozygous mutation c.383_384insG; p.Gly128fs*25: video 2.
Homozygous mutation c.383_384insG; p.Gly128fs*25: video 3.