A. Single gene may produce multiple effects
B. Dominance may be incomplete
C. The environment effects the expression of genetic character
D. Genetic trails are influence by many genes
Related Mcqs:
- The reason why mutations which are harmful do not eliminated from gene pool is that___________________?
A. They are recessive and carried by heterozygous individuals
B. Genetic drift occurs because of a small population in to offsprings
C. Making possible reproduction in all types of environments
D. They have future survival value - Dominance hypothesis of heterosis was first proposed by__________________?
A. Davenport (1908)
B. Shull (1914)
C. Bruce (1910)
D. Davis (1927) - Concept of gene for gene hypothesis was developed in____________________?
A. Linseed
B. Oat
C. Gram
D. Tomato - Gene for gene hypothesis was proposed by__________________?
A. Nelson (1973)
B. Flor (1956)
C. Robinson (1971)
D. Vander plank (1963) - 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 - An individual with two identical members of a part of geneue factors is called__________________?
A. Hybrid
B. Homozygous
C. Heterozygous
D. Dominant - Shull and East (1908) proposed over dominance hypothesis of hetrosis in_________________?
A. Barley
B. wheat
C. Maize
D. None of the above - Synthetic products which when applied to plants produce reactions almost identical to those caused by natural harmonics are called______________?
A. Plant harmonics
B. Plant growth regulators
C. Photoperiodism activants
D. Plant growth promoters - The presence of blood in urine is ________________________?
A. Hematocrit
B. Hematoma
C. Hematopoiesis
D. Haemoglobinuria
