A ________ Is One Whose Expression Is Influenced by Some

question 60

Multiple Choice

A ________ is one whose expression is influenced by some environmental condition.

• A)multiple allele
• B)X- linked allele
• C)expressive allele
• D)conditional mutant
• E)positional effect

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Definitions:

Biological Species Concept

A definition of species as groups of interbreeding natural populations that are reproductively isolated from other such groups, emphasizing the role of sexual reproduction in maintaining species integrity.

Geographical Barriers

Natural formations or features that isolate ecosystems or populations, influencing the distribution and evolution of species.

Reproductive Behaviors

Actions or sequences of actions performed by animals or plants that directly relate to the production of offspring.

Arctic Tundra

A cold, treeless biome located in the Arctic regions, characterized by permafrost, short growing seasons, and low biodiversity.