Question

Ellis-van Creveld syndrome is a form of dwarfism that is inherited in an autosomal recessive pattern. This particular form of dwarfism occurs quite frequently in the population of Amish living around Lancaster County, PA and can be traced back to one couple, Samuel King and his wife, who came to the area back in the 1700s. In this specific Amish population, the allele frequency is 7%, compared with 0.1% in the general population.

Part A: What is genetic drift? (1 point)

Part B: Identify the effect that is responsible for the genetic drift that has occurred in this population? (1 point)

Part C: How does isolation of a population lead to a decrease in genetic diversity? (2 points)

Answer 1

Answer:

Water, a substance composed of the chemical elements hydrogen and oxygen and existing in gaseous, liquid, and solid states. It is one of the most plentiful and essential of compounds. A tasteless and odourless liquid at room temperature, it has the important ability to dissolve many other substances.

Answer 2

Answer:

Happiness is an emotional state characterized by feelings of joy, satisfaction, contentment, and fulfillment.