A 7-year-old boy with dysmorphic features was found to have a recombinant chromosome 18, rec(18), resulting from meiotic recombination of a maternal pericentric inversion, inv(18) (p11.2q21.3), as ...
Proceedings of the National Academy of Sciences of the United States of America, Vol. 30, No. 1 (Jan. 15, 1944), pp. 1-5 (5 pages) ...