# Using the Hardy-Weinberg equation, if p = 0.23, what must q equal?

##### 1 Answer

May 26, 2016

In Hardy-Weinberg equation p and q represent allele frequencies. For a population in equilibrium p plus q must always be 1.

#### Explanation:

If p is 0.23 then q should be 1 minus 0.23, i.e. 0.77.