A Result That Is Significant at the

question 240

Multiple Choice

A result that is significant at the .05 level indicates that:

• A) the result was obtained purely by chance and is not real.
• B) the probability that the result is due to real differences between groups is .05.
• C) there is a positive relationship between variables.
• D) the probability that the result occurred by chance is low, and therefore the result is probably real.

---

Definitions:

SRY Gene

Located on the Y chromosome in males, this gene codes for a transcription factor that binds to regulatory DNA. At about 5 weeks gestation, it turns on genes that start the production of other proteins responsible for the development of gonads into testes.

Zygotes

The initial cell formed when a new organism is conceived, created by the fusion of sperm and egg cells.

XY Chromosome

The combination of chromosomes characterized as male in humans, where a Y chromosome inherited from the father pairs with an X chromosome from the mother.