Question: Suppose that you perform the following monohybrid cross in dogs: Aa X Aa, in which the dominant A allele produces black coat color and the recessive a allele produces a white coat color. Imagine that all the offspring in the F1 generation are black. How do you interpret this outcome? […]

Q1. An abandoned indiana coal mine spoil bank contains chunks kof pyrite minerals. Under constant erosion and weathering, pyrites leech large amounts of sulfuric acid. The spoil banks are also mixed with large quqntities of basic limestone and clay carbonates. What has to happen over time? Q2. Let’s assume that […]

Coral reefs harbor a greater diversity of animals than any other environment in the sea. Australia’s Great Barrier Reef has been protected as a marine reserve and is a mecca for scientists and nature enthusiasts. Many reefs have been depleted of fish and runoff from the shore has covered the […]

Imagine an animal that shows two variants; one long-legged and one short-legged. Each female produces 2 female offspring per generation and then dies. The offspring of the long-legged ones survive to adulthood (reproductive age) with a probability of 3/5 and the offspring of the short-legged ones survive to adulthood with […]