A Corn (Zea Mays) Mutant Is Developed That Is Impaired

question 88

Multiple Choice

A corn (Zea mays) mutant is developed that is impaired in magnesium uptake. The most likely phenotypic expression would be

• A) chlorosis, especially in the older leaves.
• B) a purple tinge to actively growing shoots.
• C) severely stunted root growth and branching.
• D) a reduction in leaf surface area.
• E) a delay in flowering.

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Definitions:

Deleterious Mutations

Genetic changes that are harmful to an organism, often resulting in decreased fitness or survival.

Golden-Collared Manakins

A species of bird known for the male's vibrant yellow throat plumage and their unique courtship dances.

Sexually Selected Ornaments

Physical traits evolved through sexual selection, often used to attract mates or compete with members of the same species, such as the colorful plumage of many birds.

Female Choice

A form of sexual selection where females choose their mates, often based on traits that indicate the male's genetic quality or fitness.