Mutation is more common when it is present in:
dominant condition
recessive condition
constant in population
none of the above
The number of hydrogen bonds between adenine and thymine in a DNA molecule is :
two
three
four
eight
The process of multiplication of DNA from DNA is known as
replication
transversion
transcription
translation
A eukaryotic gene contains two kinds of base sequences. Which of these plays an important role in protein synthesis?
Introns
Exons
Both 'a' and 'b'
None of the above