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 […]

Question: What phenotypes and ratios did you observe in the F1 generation? Question: Based on what you know about Mendelian genetics, did the F2 generation demonstrate the phenotypic ratio that you expected? If not, what phenotypic ratio was obtained with this cross, and why? Question: Describe the phenotypes obtained in the F2 generation. […]

1. Read the “Nutri- Case” about Liz described below. I used to think of my peanut allergy as no big deal, but ever since my experience at that restaurant last year, I’ve been pretty obsessive about it. For months afterward, I refused to eat anything that I hadn’t prepared myself. […]

Answer each question with at least 7-10 sentences. No Plaigerism will be excepted.  What are the biological and behavioral adaptations that allowed for the increase of human brain size? How has our diet changed over the past 2 million years, and how do we know? From an evolutionary perspective evaluate […]