Is it surprising that these genes would be of such similar lengths despite being from different species? explain.

It is not surprising that organisms from different specifies have similar gene length because rainbow trout, brown trout and common carp are all under the phyla Chordata. Rainbow trout and brown trout are in the same genus and species so it makes sense they have similar gene characteristics. 

its been noted for the past decade or so that there is some (approximately 5% to 7%) shrinkage in the brains of people who have schizophrenia, most notably in the gray matter, which is an important part structures in the brain’s amygdala, hippocampus and parahippocampus, which are all involved in memory storage and retrieval memory storage and retrieval.

explanation:

ive read articles