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Full-Text Articles in Cell and Developmental Biology
Does Oxybenzone Affect The Development Of Sea Urchins Up To The Gastrula Stage, And What Do We Do About It?, Claire Crozier
Does Oxybenzone Affect The Development Of Sea Urchins Up To The Gastrula Stage, And What Do We Do About It?, Claire Crozier
Honors Projects
Understanding the effects of anthropogenic factors, such as oxybenzone, on sea urchins is extremely important to protect the growth of coral reefs- the ocean’s hotspot for biodiversity. Spawning of sea urchins, Lytechinus variegatus, was induced and eggs were fertilized in different concentrations of oxybenzone contaminated water. 48 hours later, data was collected underneath a light microscope. Observations of the data indicate that oxybenzone negatively affects sea urchin development up until the gastrula stage. Using both my data and knowledge from standing literature, I decided to write a policy analysis paper to answer the question “what should we do regarding sunscreen …
The Phoenix, Fernanda Perez-Alvarez
The Phoenix, Fernanda Perez-Alvarez
Montserrat Annual Writing Prize
This article uses a mythical creature, the phoenix, to examine and illustrate the biological principles for generation of an adult body plan from a single cell. Using the study of developmental biology, it explores the cellular and molecular biology that underpins the massive complexity of creating an adult body plan. It also explores the similarities and differences between different embryos, and how nature and evolution have shaped the biology of those embryos to create different body plans.
Individuals And Populations: How Biology's Theory And Data Have Interfered With The Integration Of Development And Evolution, David S. Moore
Individuals And Populations: How Biology's Theory And Data Have Interfered With The Integration Of Development And Evolution, David S. Moore
Pitzer Faculty Publications and Research
Research programs in quantitative behavior genetics and evolutionary psychology have contributed to the widespread belief that some psychological characteristics can be “inherited” via genetic mechanisms. In fact, molecular and developmental biologists have concluded that while genetic factors contribute to the development of all of our traits, non-genetic factors always do too, and in ways that make them no less important than genetic factors. This insight demands a reworking of the Modern Evolutionary Synthesis, a theory that defined evolution as a process involving changes in the frequencies of genes in populations, and that envisioned no role for experiential factors now known …