In Flower Beetles, Pygmy (Py) Is Recessive to Normal Size

question 11

Multiple Choice

In flower beetles, pygmy (py) is recessive to normal size (py⁺) , and red color (r) is recessive to brown (r⁺) . A beetle heterozygous for these characteristics was test-crossed to a beetle homozygous for pygmy and red. The following are progeny phenotypes from this testcross. $$\begin{array} { l l r } p y ^ { + } & r ^ { + } & 180 \\p y ^ { + } & r & 22 \\p y & r ^ { + } & 19 \\p y & r & 191 \\\text { Total } && 412\end{array}$$ Carry out a series of chi-square tests to determine if there is equal segregation of alleles at the py locus.
- What is the correct chi-square value and how many degree(s) of freedom should be used in its interpretation?

• A) 0.16 with one degree of freedom
• B) 0.16 with three degrees of freedom
• C) 0.48 with one degree of freedom
• D) 0.48 with two degrees of freedom
• E) 4.56 with one degree of freedom

---

Definitions:

Primary Stakeholder

Individuals or entities directly affected by a project or business's outcomes, often including employees, customers, suppliers, and investors.

Granite Producers

Companies or entities that are involved in the extraction and processing of granite for use in construction, decoration, and other applications.

Social Responsibility

The ethic that an entity, be it an organization or individual, has an obligation to act for the benefit of society at large.

Primary Stakeholders

The main parties with a significant interest or investment in a project or business, directly impacting or being impacted by its activities.