In a population of $6000$ individuals $2000$ belong to genotype $AA,3500$ to $Aa$ and the remaining $500$ to $aa$. Based on this data, the frequency of allel $A$ in the population is

The correct option is A $0.5$
In the population of $6000$ Individuals $2000$ belong to genotype $=AA$

$3500$ elong to genotype $=Aa$

$500$ belong to genotype $=aa$

therefore from the given data we can conclude that there are total six allels in th epopulation

therefore, Allele frequency for $A$ is $\frac{3}{6}$

$f\left(A\right)=\frac{1}{2}=0.5$

Hence the allel frequency of $A$ is $0.5$