Canadian Science Publishing
0008-4093
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THE MUTAGENIC ACTIVITY OF 61 AGENTS AS DETERMINED BY THE MICRONUCLEUS, SALMONELLA, AND SPERM ABNORMALITY ASSAYS
Tập 21 Số 3 - Trang 319-333 - 1979
A comparison of two rapid and inexpensive in vivo mammalian assays and the Ames
Salmonella assay is presented for 61 agents; Acetylsalicylic acid; Acriflavine;
Actinomycin D; 2(2-furyl)-3-(5-nitro-2-furyl)acrylamide (AF-2); Aflatoxin B1;
2-aminofluorene; Aminopterin; Aroclor 1254; Ascorbic acid; Azathioprine;
Benzo(a)pyrene; 5-Bromo-2'-deoxyuridine; Busulphan; Butylated hydroxytoluene;
Cadmium chl...
INHERITANCE OF A SOYBEAN FLOWERING RESPONSE TO FLUORESCENT-DAYLENGTH CONDITIONS
Tập 13 Số 4 - Trang 703-707 - 1971
The inheritance of flowering time was studied in the short-day soybean, Glycine
max (L.) Merr., under long-day conditions in the greenhouse using natural day
length extended to 20 hours with cool-white fluorescent light. A single, major
gene with two alleles was found to control the flowering response. The dominant
allele which gave a fluorescent-sensitive response of delayed flowering also
result...
Chromosome location of genes controlling aluminum tolerance in wheat, rye, and triticale
Tập 26 Số 6 - Trang 701-705 - 1984
'Chinese Spring' wheat nullisomic–tetrasomic and ditelosomic lines were used for
the identification of Aluminum-tolerance genes in wheat (Triticum aestivum L. em
Thell.). Rye additions and substitutions in different wheat varieties were used
for the identification of aluminum-tolerance genes in rye (Secale cereale L.).
The point where concentrations of aluminum caused irreversible damage to the
ro...
CHROMOSOMAL ANALYSIS OF 159 BOVINE EMBRYOS COLLECTED 12 to 18 DAYS AFTER ESTRUS
Tập 22 Số 4 - Trang 615-626 - 1980
One hundred and fifty-nine embryos were analysed in conjunction with embryo
transfer studies. Chromosome preparations were made from small biopsy fragments
of trophoblast, from large portions of trophoblast and the inner cell mass, or
from the entire embryo. Results obtained from fragments were similar to those
obtained from large portions of trophoblast and inner cell mass. No structural
chromoso...
Inheritance and microsporogenesis of a synaptic mutant (sy-2) from Solanum commersonii Dun.
Tập 28 Số 4 - Trang 520-524 - 1986
A mutant has been found in diploid Solanum commersonii (2n = 2x = 24) in which
no bivalents are formed during microsporogenesis. This trait, a simply inherited
recessive, has been designated sy-2. It conditions high levels of pollen
sterility through random chromosome segregation at anaphase I. Only the
nucleolar-associated chromosomes appear to segregate non-randomly, possibly due
to the fusion o...
TEMPERATURE-SENSITIVE MUTATIONS IN DROSOPHILA MELANOGASTER.: II. FREQUENCY AMONG SECOND CHROMOSOME RECESSIVE LETHALS INDUCED BY ETHYL METHANESULFONATE
Tập 10 Số 2 - Trang 412-420 - 1968
Recessive lethal and semilethal mutations induced in chromosome 2 by ethyl
methanesulfonate were screened for temperature-sensitivity. Mutants which
survive at 17 °C but die at 29° were recovered. At 0.005M EMS, 37.5% of the
treated chromosomes were found to be lethal or semilethal from which it is
estimated that 10.9% of all EMS-induced lethals are ts. This class of
conditional lethals promises t...
COMPLEMENTARY GENIC COMPLEX FOR ANTHOCYANIN PIGMENTATION IN THE APICULUS OF RICE (ORYZA SATIV AL.)
Tập 15 Số 4 - Trang 779-789 - 1973
The C-A-P genie complex for anthocyanin pigmentation in the apiculus of japonica
rice has been recently found to be also applicable to indica rice. The present
investigation reveals a considerable difference in the nature and the number of
localization genes. Accordingly, the complementary genie complex for anthocyanin
pigmentation in the apiculus of both japonica and indica rices is C-A-PaPbor
C-...