A gardener plants a row of yellow flowers in her front yard. The next year, she notices that some of the new generation of flowers are yellow, while others are red. Which of the following best explains how this is possible? A. The red flower allele must be recessive, because it hid behind the yellow allele.

B. The red flower color probably resulted from a mistake in the plant’s DNA.

C. The red flower color probably resulted when the yellow plant mixed its DNA with another species.

D. The red flower allele must be dominant, because it masked the yellow allele.

Which of the following represents a negatively charged ion? of t 7

What is the primary goal of human communities?

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.