1. New linkage stocks :-
Chromosome 1
p f
1
an bm
2
p br f
1
bm
2
(pale yellow endosperm)
p f
1
bm
2
y
P f
1
bm2 (segregating ts
2
).
Chromosome 5
pr bt
1
bm
1
(not homozygous for ACR).
Chromosome 7
ra gl
1
ij (or at least the F
1
in coupling).