A lilly from a true-breeding line with white flowers and short corollas (line A) is crossed to a lilly from a true-breeding line with black flowers and long corollas (line B). The resulting offspring, the F1, are all red-flowered, with corollas of medium length. Suppose an individual from the F1 […]

Part I: You are part of a part of a team that is designing a new cell in the laboratory. Unfortunately, money is tight and there may not be enough funding to create a cell with all of the cell structures and substances that you’ve learned about in the course […]

Discussion The Discussion Board (DB) is part of the core of online learning. Classroom discussion in an online environment requires the active participation of students and the instructor to create robust interaction and dialogue. Every student is expected to create an original response to the open-ended DB question as well […]

In some species, males donate only sperm to the female (i.e., she does not receive a direct benefit). Give an example of this kind of mating system (you may use a particular species or a type of mating system) (1). What are two mechanisms that can explain female choice when […]