pan class="mi">2</span><span class="p">,</span><span class="n">axis</span><span class="o">=</span><span class="kc">None</span><span class="p">)</span><span class="o">**</span><span class="mf">0.5</span>
        <span class="k">if</span> <span class="nb">chr</span> <span class="o">&lt;</span> <span class="mi">45</span><span class="p">:</span> <span class="c1">## 1 - 44 chromosomes</span>
            <span class="c1">## uniformly distributed random variable within the range [r-2sigma,r+2sigma]</span>
        