A dogma in the mammalian fertilization field claims that sperm undergo the acrosome reaction upon contact with the egg zona pellucida. Which of the statements below are research results discussed in this class that challenge the accuracy of this dogma, especially in the context of natural mating?  Check all correct answers (more than one may be chosen).

Matching: for each genetic manipulation of mammalian early development, choose the answer from the box below that most accurately describes the earliest mutant phenotype you would expect to observe. 

Determining the class standing (1st, 2nd, 3rd, etc.) for the graduating seniors at a high school would involve measurement on a(n) ____ scale of measurement.

The shape of the normal distribution is: 

If a frequency distribution is shown in a histogram, what scale was used to measure the scores? 

Which description provides an example of a continuous variable?

Although a research study is typically conducted with a relatively small group of participants known as a ____, most researchers hope to generalize their results to a much larger group known as a ____.  

Now mention something in common or different with the people in the previous question.

What is onychomycosis?

When a listener responds by telling someone what to do and then backs up the solution with a moral or theological authority, it is known as