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Month: March 2019

Low magnitude of genotype x environmental interaction indicates__________________?

August 31, 2021March 30, 2019 by admin
Low magnitude of genotype x environmental interaction indicates__________________?

A. High buffering capacity
B. Stability
C. Low buffering capacity
D. Adaptability

Categories Plant Breeding and Genetics

Various crosses made using a common tester are__________________?

August 31, 2021March 30, 2019 by admin
Various crosses made using a common tester are__________________?

A. Top crosses
B. Biparental cross
C. Double cross
D. Test cross

Categories Plant Breeding and Genetics

Biometrics for the study of quantitative genetics was provided by ___________________?

August 31, 2021March 30, 2019 by admin
Biometrics for the study of quantitative genetics was provided by ___________________?

A. Fisher
B. Falconer
C. Mather
D. Hayman

Categories Plant Breeding and Genetics

In line x tester cross each male is crossed with____________________?

August 31, 2021March 30, 2019 by admin
In line x tester cross each male is crossed with____________________?

A. Different sets of females
B. Few females in a set
C. Same sets of females
D. All the above

Categories Plant Breeding and Genetics

Ratio of additive variance to phenotypic variance is called___________________?

August 31, 2021March 30, 2019 by admin
Ratio of additive variance to phenotypic variance is called___________________?

A. Heritability (broad sense)
B. Heritability (narrow sense)
C. Co-heritability
D. Genetic gain

Categories Plant Breeding and Genetics

Specific combining ability is primarily a function of___________________?

August 31, 2021March 30, 2019 by admin
Specific combining ability is primarily a function of___________________?

A. Dominance variance
B. Additive x dominance epistasis
C. Dominance x dominance epistasis
D. All the above

Categories Plant Breeding and Genetics

Analysis of covanance permits estimation of_____________________?

August 31, 2021March 30, 2019 by admin
Analysis of covanance permits estimation of_____________________?

A. Environmental covanance
B. Phenotypic covanance
C. Genotypic convanance
D. All the above

Categories Plant Breeding and Genetics

The term homeostasis was coined by_____________________?

August 31, 2021March 30, 2019 by admin
The term homeostasis was coined by_____________________?

A. Lemer (1954)
B. Jinks (1968)
C. Warner (1952)
D. Freeman (1971)

Categories Plant Breeding and Genetics

The term poly genes was coined by___________________?

August 31, 2021March 30, 2019 by admin
The term poly genes was coined by___________________?

A. Yates (1947)
B. Hazel (1943)
C. Mather (1943)
D. Griffing (1956)

Categories Plant Breeding and Genetics

Concept of path coefficient analysis was given by_________________?

August 31, 2021March 30, 2019 by admin
Concept of path coefficient analysis was given by_________________?

A. Mather (1949)
B. Wright (1921)
C. Fisher (1918)
D. Smith (1936)

Categories Plant Breeding and Genetics
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