genetics
Aug 20, 1996 10:05 AM
by Uri Macnev
Hello!
=========================
* Forwarded by Uri Macnev
* From : Kay Ziatz
=========================
for: Liesel f. deutsch
Subject: genetics
Hello.
> for how many generations Lysenko conducted the experiments of getting
> mutations because of a change in the environment. I think that if you put a
As I've understood, one generation sometimes is enough. Also, a few
generations are enough to return to original type. But Lysenko
thought that a several generations are required to guide through
the gradual changing and "fixing". He gave the following sta-
tistics: from 4000 grains survived only 84 plants.
Date of sowing survived
27/VIII - IX 0
30/IX 7 of 102
5/X 22 of 95
after 10/X 0
Temperature at winter was -32 C
Other data: (Total result) total/survived ratio
First generarion 690/77 0.11
Second 685/308 0.45
Third 1376/784 0.57
The main change of genotype (28 to 42 chromosomes) resulted after a
third generation. Most of experinents were lead in 1943-49.
Lysenko's assistent, V. Karapetian reported that even in one
"bush" there were different ears and sometimes in one ear -
the different grains.
L: You've converted one species to another...
K: But no one will believe me because i haven't intermediate forms.
L: And who said to you that they should be?
K: Darwin...
More, wheat from one party has migrated to _different_ existing
sorts: eritrosperum, ferugineum, cesium, milturum.
Paleontologists tryed but haven't find the intermediate forms and
they will never find them, he said.
As is well known a special weeds accompany the wheat, oats, flax.
These weeds are never found outside the fields. Caucasian peasants
who haven't heard about genetics always thought that there's a
transmutation.
W/best wishes, Konstantin Zaitzev 2:5020/360.4 Fidonet
Address for personal replies:
Kay_Ziatz%p4.f360.n5020.z2.fidonet.org@gate.phantom.ru
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