Which Model Organisms Provided Valuable Data in Early Studies of Chromosomal

question 46

Multiple Choice

Which model organisms provided valuable data in early studies of chromosomal inheritance? (Select all correct choices)

• A)humans
• B)sea urchins
• C)laboratory mice
• D)roundworms such as Ascaris

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Definitions:

Secular Trend

A long-term pattern or trend observed over several generations, often referring to changes in physical or social characteristics of populations.

Onset

Describes the beginning or start of something, such as a disease, a symptom, or a phase of life.

Puberty

The phase of human development during which a child's body matures into an adult body capable of sexual reproduction, marked by various physiological changes.

Gray Matter

Region of the brain composed mainly of neuronal cell bodies, involved in muscle control, sensory perception, and decision making.