Assignment 1) Explain how we benefit from bacteria living on or inside our bodies. 2) Please research and give background information on the Human Microbiome Project: • What is the purpose of the project? How was the study performed?• Which isolation techniques are used to identify microorganisms?• What are some […]

A new recessive mutation in chickens that causes feather loss from the wings is being investigated. Describe the expected progeny phenotypes from a cross between a hen with feather lesswings and a true-breeding wild type rooster if: a. The gene coding for feather loss is on the Zchromosome b. The […]

Q1. To set up a link between specific bacterium and skin disease, researchers have shown that a bacterium was present in sick persons but not in healthy individuals. They isolated bacterium in a pure culture and demonstrated that experimental healthy animals injected with this culture became sick. What other test […]

The fruit in summer squash may have different shapes. When two true breeding plants with disc-shaped fruit were crossed to true breeding plants with long fruit, all the F1 plants had disc fruits. In the F2 progeny there were 110 plants with disc-shape fruits, 70 plants with sphere-shape fruits and […]