Genome Size Differs Widely Among Different Multicellular Species of Eukaryotes

question 28

Multiple Choice

Genome size differs widely among different multicellular species of eukaryotes. What is the greatest contributing cause for these differences?

• A) The number of protein-coding genes
• B) The amount of noncoding DNA
• C) The number of duplicated genes
• D) The degree of concerted evolution
• E) The amount of positive selection for change in protein-coding genes

---

Definitions:

Physiological Processes

Biological functions or activities involved in the normal workings of living organisms, such as metabolism, digestion, and blood circulation.

Schachter And Singer

Two psychologists who proposed the two-factor theory of emotion, which contends that physical arousal and cognitive labeling based on environmental context jointly create the experience of emotion.

Bodily Changes

Physical and physiological transformations that occur in the body due to various factors like aging, exercise, or health conditions.

Outward

Directed or moving away from the interior or center; relating to the external aspect or appearance of something.