Assertion: squid's organ | /r/HasProperty | formed
Facets:
Source sentences:
text: The light organ of embryonic and juvenile squids has a striking anatomical similarity to an eye and expresses several genes similar to those involved in eye development in mammalian embryos (e.g. eya, dac) which indicate that squid eyes and squid light organs may be formed using the same developmental "toolkit".[citation needed]