eri le
@
rtions with Xerays.
not such effects cen be
-4-
e
Pre-test data should be ottained as to whether cr
secured with reutrons alone or with mixed redictions.
This date could be osteined from cyclotron or shizlded end unshleide’ pils
experiments.
Drosophils should be exposed: anc genetic efferts studied. These studies
t
t
sheuld be dore elxcst immediete’y cfter exposure.
Sufficient dete ec: ears
to be kncwm to enstle the caleuleticn of the flw.es of neutrons
t
}
en? gute
reys from & study cf the dominar.t leihcls and the recessive lethels induced
4
\
i
in exvosed Drosepghila sperm.
{
|
Beceuse of the differences in relciive ef ielency
|
possibls to flic the prosortion of fest neutrons vo gemma
of exvosys..
|
It
(
|
i
(2
oF
@
i
+)‘
for domnant lethsls end 1 to avout 0.7 for recessive lethels) i
\
's
of neutrens end gemma rays for the sroduction of these two effects ( 5 tol
'
'
rev3 al the ;
This date aloné would be of value to the vhysiclst es 2. viet)
aciinest ble uecniurerents by instrnuents.
Genetie studies with Prosc <hill
should stert within a few hours efter ex.osure.
in this casc, the folioing
a=
individuals shovle be consultec to mep out a detailed progrem.
eo
They ers:
Doctors H. J. Muller (Indians Uiversity), Curt Stern (Berkely), end ¥.P.
Spencer (Wooster College, Ohio).
Tredesccntia would appeer te offec informetio: of considereble interest
Af the plants cen te obts ined ir flow2r ct the the of the tests, since it
has been extenwively studied with rojard to effets of X-reys, geme revs,
andl fest neutrons of different cuergies by Doctors Kerl Sex (Herverd), Norman
Giles (Oe Ridze Netioncl wabor: tory), end D. G. Cetcheside (Cambridge
University, Lngland) and his eo-workers. Some of vhese individurls should be
consulted regarding feasibility.
For the moment, further tesis do not ep vecr racticel.
It is vell to
emphasize, however, th tthig peper represents orelinincry thinking on this
matter.
Much clterction and rearrcnger.ent of plaiming mast t¢ke plece
S tN a er
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4
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