Which of the Following Statements Is True

question 34

Multiple Choice

Which of the following statements is true?

• A) Mammalian sex determination can be influenced by temperature.
• B) Dosage compensation occurs in the same way in most animals.
• C) The testis-determining factor gene is X-linked.
• D) Sex determination in fruit flies depends on the X:autosome ratio.
• E) Mammals experience random Y inactivation.

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Definitions:

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true; a threshold for determining statistical significance, usually denoted by alpha (α).

Null Hypothesis

In statistics, a hypothesis that there is no significant difference or association between specified populations, any observed difference being due to sampling or experimental error.

Mean Weight

The average mass of an object or collection of objects, obtained by adding their weights together and dividing by the number of objects.

Two Tailed Test

A statistical test used to determine if there are differences in two directions, assessing the possibility of extreme outcomes in both tails of the distribution.