Which of the following explains why a probe will hybridize to a target gene but not to any unrelated genes

In the family tree below, people with the recessive trait of attached earlobes are shaded gray.

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation