Blog

What is the interquartile range?

The statistics professor has kept attendance records and recorded the number of absent students per class. The recorded data is displayed in the following bar chart with the frequency of each number of absent students shown above the bars.     How many statistics classes had three or more students absent?

The alteration of DNA in somatic cells for gene therapy is not heritable.

The proportion of a population that has one genotype relative to all genotypes at a particular locus is called:

Anthropogenesis is the study of:

What 4 observations were used by Darwin when he proposed the theory of evolution by natural selection?  Explain each observation briefly.

Populations that lived in the same geographical area during the same time period can be described as:

True or False: The United States Department of Agriculture requires food manufacturers to label any genetically modified ingredients in food.

Which term includes not only all humans and those extinct human-like species, but also the apes?

​Movement of a substance from an area of low concentration to an area of high concentration using energy obtained from ATP is called ____.