A Researcher Is Trying to Construct a Molecular-Based Phylogeny of the Entire

question 51

Multiple Choice

A researcher is trying to construct a molecular-based phylogeny of the entire animal kingdom. Assuming that none of the following genes are absolutely conserved, which of the following would be the best choice on which to base the phylogeny?

• A) genes involved in chitin synthesis
• B) collagen genes
• C) genes involved in directing segmentation development
• D) genes involved in eye-lens synthesis

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Definitions:

Environmental Factors

Elements in the external surroundings that can influence an organism's growth, development, and survival.

Reduced Intelligence

A condition or situation where an individual's cognitive abilities are significantly below the average for their age and demographic.

Stressful Family Circumstances

Situations within a family that cause stress, such as financial problems, divorce, or illness, potentially impacting members' mental and physical health.

Intelligence Quotient

A score derived from standardized tests designed to measure human intelligence.