Which of the following statements best describes the relationship between genes and their outcomes? Every gene influences a single trait.

The outcome of a gene is affected by the environment of the cells and the timing of gene expression.

Similar genes produce the same outcome in every individual.

Every gene can be linked to one specific, predictable outcome.

Two students are working together on an experiment that measures the effect of different liquid fertilizers on the thickness of plants’ stems. which is most likely to result in the greatest amount of error in their scientific experiment? a. one student measures the plant stem widths by using calipers. the other student measures the widths of the same plant stems again by using a different pair of calipers. b. one student measures the plant stem widths by using calipers. the other student types the measurements as they are taken into a computer spreadsheet. c. one student weighs liquids for the experiment by using a calibrated scale. the other student weighs liquids for the experiment by using a different calibrated scale.