In the study that the fbi did on examining the physical characteristics of hair, what percentage of the “matches” were not really matches at all? one percent ten percent thirty percent forty percent

10%

Explanation:

Hair is a potential evidence which can be used to establish the linkage to the culprit or victim it belongs to by the DNA analysis of hair. For establishing the similarity about 10% cannot be matched this is due to some experimental errors as wells as quantity and quality of the hair strands that are to be compared.

the answer is sex-linked recessive.