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Plant Breeding and Genetics
In a monohybrid cross, 2 heterozygous individuals were crossed, phenotypic ratio came to be (2:1), it is due to _______?
Dominant epistasis
Dominant lethal genes in homozygous individuals
Dominant lethal genes in heterozygous individuals
None of these
Author:
rikazzz
Comment
Plant Breeding and Genetics
Global gene bank of sorghum is located at _______?
ICRISAT
CIP Peru
ICARDA
None of these
Author:
rikazzz
Comment
Plant Breeding and Genetics
Cells intercommunicates with neighbouring cells by _______?
Plasmedesmata
Trachieds
Plasmalema
Nessels
Author:
rikazzz
Comment
Plant Breeding and Genetics
Seeds which dried at low moisture content and stored at low temperature without losing their viability are _______?
Active seeds
Recalcitrant seeds
Orthodox seeds
Certified seeds
Author:
rikazzz
Comment
Plant Breeding and Genetics
In oat an site-specific cross between Ivena sativa and A busantus _______?
Partially fertile
Incompatible
Sterile
Fully fertile
Author:
rikazzz
Comment
Plant Breeding and Genetics
The term poly genes was coined by _______?
Hazel (1943)
Yates (1947)
Mather (1943)
Griffing (1956)
Author:
rikazzz
Comment
Plant Breeding and Genetics
Self incompatibility which is controlled by single gene found in some species of _______?
Solanaceae
Cruciferae
Leguminosae
All the above
Author:
rikazzz
Comment
Plant Breeding and Genetics
Polyploidy is most likely to result from _______?
Occurrence of karyokinesis
The crossing over between non homologous chromosomes
Occurrence of crossing over
The failure of homologous chromosomes to separate during meiosis
Author:
rikazzz
Comment
Plant Breeding and Genetics
Allogamy is the common form of _______?
Syn breeding
Out breeding
Inbreeding
All the above
Author:
rikazzz
Comment
Plant Breeding and Genetics
Common and easily available source of energy does not contain RNA _______?
RNA
DNA
ATP
DNA/RNA
Author:
rikazzz
Comment
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