3. A mother and father have three children: two boys
and one girl. The father has hemophilia. Neither of
the boys has hemophilia A. The girl is a carrier of
hemophilia. What are the possible genotypes of the
parents?

the answer is c.

by: nicholas dooley

answer;

c. a tree whose roots are surrounded by wet sand.

explanation;

water stress is an important factor limiting the growth and productivity of forests.water stress is the most often cited cause of poor survival and growth of woody landscape plants.

-insufficient soil moisture is the most common form of water stress, but excess moisture that leads to poor soil aeration (hypoxia) can also result in reduced plant vitality. a tree whose roots are surrounded by wet sand would be least likely to experience water stress.

friedrich meischer discovered it in white blood cell