In some flowers red coloration is incompletely dominant to blue flowers resulting in purple flowers. Which genotypic ratio would be expected in the offspring of one blue and one purple flower?
O A. 1 RR:2 RB:1 BB
OB. ORR:4 RB: 0 BB
OC. 2 red: 2 purple : 0 blue
OD. ORR:2 RB:2 BB

Invasive species are one of the major threats to biodiversity. these species multiply quickly and compete with native species for food, sunlight, spac and other resources. on the map, determine the area where native species will have limited resources available to them due to invasion threat from invasive species threat very low low medium high very high

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.

Which of th following best describes how genes produce traits in an organism?