Some Genetic Mutations Occur from Exposure to External Agents Called

question 88

Multiple Choice

Some genetic mutations occur from exposure to external agents called ____,such as radioactivity,ultraviolet radiation from the sun,and certain natural and human-made chemicals.​

• A) ​mutagens
• B) ​heritable traits
• C) ​keystones
• D) ​niches
• E) ​antibiotics

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Definitions:

Embryonic Development

The process by which the embryo is formed and develops, beginning with fertilization and ending at birth or hatching.

Organogenesis

The process of organ formation.

Blastula

An early stage of embryonic development in animals, characterized by a spherical layer of cells (the blastoderm) surrounding a fluid-filled cavity (the blastocoel).

Embryonic Development

The process by which an embryo forms and develops, involving cell division, migration, and differentiation to establish the basic plan of an organism.