Homeotic Genes Contain a Homeobox Sequence That Is Highly Conserved

question 27

Multiple Choice

Homeotic genes contain a homeobox sequence that is highly conserved among very diverse species. The homeobox is the code for that domain of a protein that binds to DNA in a regulatory developmental process. Which of the following would you then expect?

• A) that homeotic genes are selectively expressed over developmental time
• B) that a homeobox-containing gene has to be a developmental regulator
• C) that homeoboxes cannot be expressed in nonhomeotic genes
• D) that all organisms must have homeotic genes
• E) that all organisms must have homeobox-containing genes

Comprehend the role and distribution of the test statistic in hypothesis testing about the population variance.

Ability to perform hypothesis testing about the population variance under given conditions.

Understand the concept of degrees of freedom and its calculation for chi-squared distribution.

Understand the construction and interpretation of hypothesis tests for population variance.

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