A student conducted an experiment with two rose plants to determine if a liquid formula for fertilizer produced greater growth than a dry formula. After testing each fertilizer on two different plants for one month, his data led to the conclusion
that the liquid formula was a better promoter of plant growth. When he described his conclusion to his teacher, she told
him he needed to conduct additional trials. The teacher most likely asked for additional trials because
o
O she did not believe the new formula helped plants grow better than the old formula.
it was necessary to see data from more plants before the conclusion could be accepted.
O it was necessary to have tested the fertilizer on different kinds of plants.
O she thought he should test additional fertilizer formulas on the same two plants,

Two true-breeding pea plants were crossed. one parent is round, terminal, violet, constricted, while the other expresses the respective contrasting phenotypes of wrinkled, axial, white, full. the four pairs of contrasting traits are controlled by four genes, each located on a separate chromosome. in the f1 only round, axial, violet, and full were expressed. in the f2, all possible combinations of these traits were expressed in ratios consistent with mendelian inheritance. (a) what conclusion about the inheritance of the traits can be drawn based on the f1 results? (b) in the f2 results, which phenotype appeared most frequently? what mathematical expression predicts the probability of occurrence of this phenotype? (c) which f2 phenotype is expected to occur least frequently? what mathematical expression predicts this probability? (d) in the f2 generation, how often is either of the p1 phenotypes likely to occur? express your answer as a fraction (example: 3/16).

Phosgene is a chemical agent that is formed by decomposition of chlorinated hydrocarbon solvents by ultraviolet radiation. a. false b. true

Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal