A scientist crossed two tall pea plants which had round seeds. Out of the offspring, 600 plants had round seeds and 200 had wrinkled seeds. What percentage of the pea plants had round seeds?

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

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?