Create and run a dihybridcross with parents that have the genotype YyRr. What ratio of offspring will be dominant in the R trait? O 3/16
O 9/16
O 12/16
O 1/16

What's the waste product of electrons and pyruvate combining in fermentation?  

Explain the process that creates the heat of the sun?

What mistake did john needham make that caused him to conclude that spontaneous generation for microorganisms occurred? a. he re-contaminated his boiled broth solutions. b. he destroyed the vital force in the solutions. c. he did not boil his broth solutions, only warmed them. d. he failed to seal his flasks of boiled broth. e. he allowed his assistant to conduct the experiment which he did not monitor closely.