If an rna strand has 20 adenine, how many thymine would it have?

Astudent analyzed ears of corn that demonstrated two traits in the f2 kernels, purple or white colors and smooth on wrinkled shapes. a tabulation of 135 individual kernels gave the following results: purple and smooth = 75 white and smooth = 28 purple and wrinkled = 24 white and wrinkled = 8 what would be the only phenotype present in the f1 ger

Types of scientific inquiry that biologist engage in that cannot be completely controlled

Which of the follow describes a disadvantage secondary sources have compared to primary sources?