Unit test The pedigree below tracks Duchenne Muscular Dystrophy (DMD) through several generations. DMD is an
X-linked recessive trait.
1
1
II
2
3
4
5
III
1
2
3
4 5 6
4 of 9
DO
Moo

How did alexander fleming’s research solve a societal problem? he developed ways to treat inherited diseases. he advocated for regular hand washing to kill germs. he discovered a new type of medicine that could treat infections. he discovered the cause of mad cow disease, an emerging disease.