<span>The right choice would be B. Mitochondria inner membrane. </span>
Crossing-over never occurs between genes. Hope this helped :)
Answer: mutualism
Mutualism is a symbiotic relationship, between two organisms, living in close association with each other. In this relationship both the organisms gains benefit. Both organisms are dependent on each other for competing their life cycle.
The given situation is an example of mutualism because both the species are benefited for the relationship. Birds receive food from strawberries in turn birds disperse the seeds of strawberry to promote growth of more strawberry plants. Both organisms are interdependent on each other.
Answer: There is currently no cure for hemophilia.
Effective treatments do exist, but they are expensive and involve lifelong injections several times per week to prevent bleeding.The best way to treat hemophilia is to replace the missing blood clotting factor so that the blood can clot properly. This is typically done by injecting treatment products, called clotting factor concentrates, into a person's vein.