A college student was participating in a late night summer event where she danced and had several beer bongs and tequila shots with her friends. After she stumbled her way back to the dorms, she thought she could fend off a hang-over by consuming large amounts of water. The next […]

Selective Pressure and Survival of the Fittest Our environment puts a great deal of pressure on every organism to adapt to its surroundings. Consider the differences between an animal that must survive in the arctic cold and one that lives in a hot, dry desert. Each one has adapted to […]

Black coat color in Cocker Spaniels is governed by a dominant allele and red coat by a recessive allele; solid pattern is governed by the dominant allele of another gene and spotted pattern is recessive. A solid black male is mated with a solid red female which produces a litter […]

1. A mutaton in the gene W causes a post-pubertal onset of functional defect in Leydig cells. Which of the following profiles is associated with a male carrying this mutation in the gene W, at 30 years of age?• a. Below normal plasma inhibin levels• b. Below normal sperm counts […]