The Relatively Small Amount of Genetic Differentiation Among Some Species

question 23

Multiple Choice

The relatively small amount of genetic differentiation among some species suggests that many phenotypic differences reflect changes in _____, rather than the evolution of new genes.

• A) gene expression
• B) gene duplication
• C) exon shuffling
• D) whole-genome duplication
• E) horizontal gene transfer

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Definitions:

Osteoporosis

A bone disease that occurs when the body loses too much bone, makes too little bone, or both, making bones weak and more likely to break.

Weight-Bearing Exercises

Physical activities that force you to work against gravity, strengthening bones and muscles.

Nutrition

The process of providing or obtaining the food necessary for health and growth, crucial for maintaining life and promoting well-being.

Hormone Therapy

A treatment method that uses hormones to treat medical conditions, often used in menopause or to support gender transition.