How did Mandel make the F1 generation for his experiment?

Where do Hydrological hazards happen most? Do composites corrode? Are Electromagnetic waves imaginary longitudinal or transverse waves? What are the Most important mountains in US? How have optical systems such as the microscope and the telescope contributed to scientific knowledge? What type of insurance will pay for theft of damage done to your car from natural disasters such as fire flood or hail? What moves though oceans bringing warm or cool temperatures from other places? What voltage is needed to accelerate electrons to 1.5 times the speed of light in a CRT? Nina wants to become a sculptor She likes to carve statues from rock what branches of science would be most beneficial for her to study? What is a modification to proteins that B. stearothermophilus might have that E. coli likely does not? What type of cloud results from an atomic bomb explosion? What is the simple predicate in this sentence From the window peered a scary face that frightened my little brother.? What provides the best summary of the process of natural selection? Does not describe the possible effects of a mutation? Can yiu give you 3 situations where frictional force is applied? Was vanillin found in nature or was it man made? What planet has its years longer than its day? What is a shearline? What element loses 2 atoms when reacting and reacts slowly with water and can conduct electricity? How many times did Arenal erupt?