1. Trace the pathway of a sperm from the male testes to the uterine tube of a female. 2. Fertilization involves much more than a mere restoration of the diploid chromosome number. What does the process of fertilization entail on the part of both the egg and sperm? What are […]

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 […]