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Genetic recombination is due to :-
[UP CPMT 2002]
The function of polymerase chain reaction (PCR) is :-
[UP CPMT 2003]
A man with blood group B marries a female with blood group A and their first child is having blood group B. What is the genotype of child :-
[UP CPMT 2005]
If a cross is made between AA and aa, the nature of F1 progeny will be :-
[UP CPMT 2004]
When a tall plant with round seeds (TTRR) is crossed with a dwarf plant with wrinkled seeds (ttrr), the F1 generation consists of tall plants with rounded seeds. How many types of gametes F1 plant would porduce :-
[UP CPMT 2004]
Family has 9 girls, Probability of son at 10th birth is :-
[UP CPMT 2005]
Haemophilic female marries normal male, the theoretical ratio of their offsprings regarding haemophilia will be :-
[UP CPMT 2005]
A child with mother of blood group A and father of blood group AB, will not have which of the following blood group :-
[UP CPMT 2006]
Gynandromorphs are animals having :-
[UP CPMT 2006]
In male grass hoppers and moths there are two pairs of autosomes and :-
[UP CPMT 2006]
Which genotype represents a true hybrid condition
[UP CPMT 2006]
A dihybrid plant on self pollination, produced 400 phenotypes with 4 types of genotype. How many seeds will have genotype TtRr:-
[UP CPMT 2006]
Which of the following points further strengthened Mendelism :-
[UP CPMT 2006]
Which of the following symbols are used for representing chromosome of birds :-
[UP CPMT 2007]
Genotypic ratio of a monohybrid cross is :-
[UP CPMT 2007]
If Aabb × aaBb, then genotypic ratio of its progeny will be :-
[UP CPMT 2007]
Gene for colourblindness is located on :-
[MP PMT 2007]
A pure tall and a pure dwarf plant were crossed to produce offsprings. Offsprings were self crossed, then find out the ratio between true breeding tall to true breding dwarf :-
[MP PMT 2007]
Which of the follwing is used as a best genetic vector in plants :-
[MP PMT 2007]
Who explained the operon model for the first time
[MP PMT 2001]
Functioning of structural genes is controlled by :-
[MP PMT 2001]
A mutant micro-organism unable to synthesize a compound required for its growth but able to grow if the compound is provided, is known as :-
[MP PMT 2001]
When F1 generation hybrid tall Tt is crossed with dwarf tt parent, it is a case of:-
[MP PMT 2002]