A male human is heterozygous for autosomal genes $A$ and $B$ and is also hemizygous for hemophilic gene $h$. What proportion of his sperms will be $abh$
$\frac{1}{{16}}$
$\frac{1}{4}$
$\frac{1}{8}$
$\frac{1}{{32}}$
How many locations have been identified in human genome where single base differences occur?
The name "$mRNA$'' was given by
In $t-RNA$