Which country was first to begin commercial use of transgenic tomato & tobacco?
A) India
B) America
C) China
D) Canada
In Mendel's trihybrid experiment, F2 Phenotypic ratio was:
A) 9:3:3:1
B) 27:9:9:9:3:3:3:1
C) 27:27:27:9:9:9
D) 9:9:9:3:3:1
A type of dominance relation in which the phenotype of heterozygote is more extreme than that of either homozygous parent, is known as:
A) Incomplete dominance
B) Over dominance
C) Codominance
D) None of above
Which one is a test cross?
A) TT x Tt
B) Tt x Tt
C) TT x TT
D) Tt x tt
The term 'Crossing Over' was first introduced by:
A) Bateson & Punnet
B) Morgan & Castle (1912)
C) Janssen (1909)
D) Sutton & Boveri
According to C.B. Bridges (1925), if the sex index value (X/A) in Drosophila is 0.5 or less, then the offspring will be:
A) Male
B) Female
C) Both male & female
D) None of these
Split genes are found in:
A) Eukaryotes
B) Prokaryotes
C) Eukaryotes and Prokaryotes Both
D) None of the above

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