A. Hardy (1908)
B. Thoday (1953)
C. Salisbury (1940)
D. Muller (1950)
Related Mcqs:
- Ratio of genotypic covariance to the phenotypic covariance is____________________?
A. Heritability (b.s)
B. Genetic gain
C. Co-heritability
D. Genetic advance - In a monohybrid cross, 2 heterozygous individuals were crossed, phenotypic ratio came to be (2:1), it is due to__________________?
A. Dominant lethal genes in heterozygous individuals
B. Dominant lethal genes in homozygous individuals
C. Dominant epistasis
D. None of the above - In the F2 generation, genotypic and phenotypic ratios are identical in cases of___________________?
A. Mendel lan monohybrids
B. Mendelian dihybrids
C. Incomplete dominance
D. None of the above - In populations genotypic and phenotypic ratios are identical in cases of___________________?
A. Mendel lan monohybrid
B. Mendelian dihybrid
C. Incomplete dominance
D. None of the above - When a wheat variety with red kernels (homozygous for two non allelic and independent dominant genes) is crossed with white kenneled wheat (homozygous for two recessive non allelic independent genes), the phenotypic ratio in the F2 generation would be________________?
A. 9:3:3:1
B. 9:7
C. 9:9:9:3:3:3:1
D. 1:4:6:4:1 - Difference between mean phenotypic value of the progeny of selected plants and the parental population is known as__________________?
A. Genetic gain
B. Genetic advance
C. Heritability
D. Coheritability - Ratio of additive variance to phenotypic variance is called___________________?
A. Heritability (broad sense)
B. Heritability (narrow sense)
C. Co-heritability
D. Genetic gain - Who coin the term genetic load _____________?
A. Hardy (1908)
B. Muller (1950)
C. Ford (1940)
D. Satisbury (1940) - The term heterosis was coined by____________________?
A. Hull (1945)
B. Bruce (1910)
C. East (1908)
D. Shull (1914) - The term gene was coined by__________________?
A. Batson
B. Wilhelm Johannsen
C. Punned
D. Darlington
