Variation of Traits
- Episode aired Mar 16, 2018
- 12m
Dr. Jeff brings puppies into the lab! The puppies are really cute, but Izzy and Zoe observe that they don't all look alike. In fact, none of them look exactly like their mom or dad!Dr. Jeff brings puppies into the lab! The puppies are really cute, but Izzy and Zoe observe that they don't all look alike. In fact, none of them look exactly like their mom or dad!Dr. Jeff brings puppies into the lab! The puppies are really cute, but Izzy and Zoe observe that they don't all look alike. In fact, none of them look exactly like their mom or dad!