<span>When a testcross between f1 dihybrid flies produces
more offspring with both traits like those of one parent, or the other than
offspring with recombinant-type traits are produced means that the two genes are
link. The reason that linked genes are inherited together is that they are
located on the same chromosome.</span>
<span>Leukocytosis is an increase in the number of white blood cells whereas Leukopenia is an abnormal reduction of white blood cells, giving rise to a significant immune-suppression.</span>
Answer: <em>Punctuated equilibrium is the hypothesis that evolution occurs at an irregular rate through geologic time. </em>
<em>Hope this helps. </em>
Hope this helps
<em>much love !!</em>