Results of genetic analysis of the trait of high tryptophan content in
zein are reported. Offspring of reciprocal F1 and F2 hybrids of maize
were obtained and studied. Analysis of F2 hybrids obtained by crossin
g of plants from two high-tryptophan lines, htz2 and htz3, and plants
from low-tryptophan lines demonstrated monogenic recessive inheritance
of the trait.