grading Directory References Discover How Can Some Trees Survive for Thousands of Years? Did Nero Really Fiddle as Rome Burned? Uninvited Guests: The 7 Worst Parasitic Worms Why Did the Soviet Union Collapse? 10 Famous Artworks by Leonardo da Vinci Timeline of the 1980s Inventors and Inventions of the Industrial Revolution Contents Ask the Chatbot a Question grading genetics Ask the Chatbot a Question Learn about this topic in these articles:backcross In backcrossGrading usually refers to the mating of average, or “grade,” females to a superior male, then backcrossing the female offspring to the same or a similar sire. Read More Britannica ChatbotChatbot answers are created from Britannica articles using AI. This is a beta feature. AI answers may contain errors. Please verify important information using Britannica articles. About Britannica AI.
