The point mutations $A$ to $G, C$ to $T, C$ to $G$ and $T$ to $A$ in $DNA$ are
Transition, transition, transversion and transversion respectively
Transition, transversion, transition and transversion respectively
Transversion, transversion, transition and transition respectively
All four are transition
Which of the following parental combination has produced mutant offspring?
Fraternal twins are produced when
Polyploidy can be induced by the application of
Generation of non-parental gene combinations is termed as
Some individuals with blood group -$A$ may inherit the genes for blonde hair, while other individuals with blood group -$A$ may the gene for brown hair. This can be best explained by the principle of