Which one of the following is not a mutagen
Ethyl methane sulphonate
Acetic acid
Nitrous acid
Ethylene oxide
It's Obvious
Which one from those given below is the period for Mendel’s hybridisation experiments ?
The barr body is observed in
Sex influenced characters are due to
What are the characteristic features of a true-breeding line ?
The point mutations $A$ to $G, C$ to $T, C$ to $G$ and $T$ to $A$ in $DNA$ are
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