2. The gene al, besides the known effects upon the development of chlorophyll, reduces the intensity of the endosperm color. In ears segregating AlAl, Alal, and alal, most kernels which have the last combination may be recognized because they have a lighter yellow color. Plants alal give ears with light yellow endosperm. In numerous F2, no plants of homozygous al and deep yellow or orange endosperm have been found.

T. M. Andres