It is a sex-linked recessive trait since only men seem to be affected
A radula is a tongue like organ that is used for feeding.
Non point source pollution is a greater threat than point source pollution because non point source pollution disrupts the water cycle.
Thymine is 6% since adenine and thymine are the same. Then you would subtract 12 from 100 and get 88 divided by two which would end up as 6% adenine, 6% thymine, 44% guanine, and 44% cytosine