All of our most popular crosses, already done for you. We'll do all the pre-work, so you can spend more time with your students.

• Demonstrate sex-linked, dominant and recessive modes of inheritance
• No pre-work needed - your crosses arrive already done
• Wards offers the shortest lead-time on crosses in the industry, getting your class up and running sooner
• Our cultures come with our satisfaction guarantee for genetic purity and excellent quality

F1 adults will emerge approximately 12 days from date stamped on file.

To create an F2 generation: Once the flies have matured, place five or six sets of males and females into a clean vial with food. You do not need to select virgin females for this step.

Ordering information: For best results, please call our customer service department to place an order for these items.