Do polygenic traits or single gene traits have more variation in the phenotypes they produce? explain your answer.

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

Crossing over is a method of (blank)?

In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%