In pea plants, round (R) is dominant to wrinkled (r). A heterozygous female is crossed with a wrinkled male. Make a Punnett Square to determine the possible offspring.

a. What are the possible genotypes of the offspring?

b. What are the possible phenotypes of the offspring?

c. What is the probability of having an offspring that is round?

d. What is the probability of having an offspring that is homozygous?

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

Concentrations expressed as a percent by mass are useful when the solute is a a. liquid b. gas c. solid

The image compares the arrangement of electrons in two different neutral atoms. a figure labeled atom q has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has six black spheres. to the left of this figure is another figure labeled atom p. atom p has a shaded sphere at the center of three concentric circles. the innermost circle has two black spheres. the middle circle has seven black spheres. which of the following best explains the position of the two atoms in the periodic table?