The term poly genes was coined by___________________?
A. Yates (1947) B. Hazel (1943) C. Mather (1943) D. Griffing (1956)
Plant Breeding and Genetics MCQs
The term homeostasis was coined by_____________________?
A. Lemer (1954) B. Jinks (1968) C. Warner (1952) D. Freeman (1971)
Analysis of covanance permits estimation of_____________________?
A. Environmental covanance B. Phenotypic covanance C. Genotypic convanance D. All the above
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
Ratio of additive variance to phenotypic variance is called___________________?
A. Heritability (broad sense) B. Heritability (narrow sense) C. Co-heritability D. Genetic gain
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
Biometrics for the study of quantitative genetics was provided by ___________________?
A. Fisher B. Falconer C. Mather D. Hayman
Various crosses made using a common tester are__________________?
A. Top crosses B. Biparental cross C. Double cross D. Test cross
Low magnitude of genotype x environmental interaction indicates__________________?
A. High buffering capacity B. Stability C. Low buffering capacity D. Adaptability
Split gene was first reported in___________________?
A. Drosoplulla B. Pea C. Cluckens D. All the above