Genes Are Active in a Region of the Eukaryotic Chromosome

question 23

Multiple Choice

Genes are active in a region of the eukaryotic chromosome called

• A) euchromatin.
• B) heterochromatin.
• C) the nucleoid.
• D) the plasmid.
• E) the histone.

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Definitions:

Phenotypic Variability

The variation in physical and physiological traits among individuals within a population, due to genetic and environmental influences.

Genome

The complete set of genetic material present in a cell or organism.

Polygamy

Any mating system in which a member of one sex mates with several members of the opposite sex.

Reproductive Relationship

Describes a partnership primarily established for the purpose of having offspring, focusing on the biological or evolutionary aspects of reproduction.