A true-breeding tall pea plant with white flowers is crossed with a true-breeding plant with red flowers. All the offspring have red flowers. In the next generation one quarter of the plants have red flowers. What one word characterizes each genotype of the parent generation of plants?

Amino acids contain the elements carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur. of the 20 amino acids found in humans, 11 are called "nonessential" because they can be manufactured by the body when needed. which elements in these 11 amino acids are commonly obtained from the metabolism of sugar molecules?