A Variation That Makes a Gene Different in Some Way

question 78

Multiple Choice

A variation that makes a gene different in some way from other genes for the same characteristics is a(n) _____.

• A) chromosome
• B) zygote
• C) genotype
• D) allele

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Definitions:

Palisade Mesophyll

The layer in the leaf where most photosynthesis takes place, comprised of tightly packed cells containing chloroplasts, effectively capturing light energy. This is a rephrased and new definition for the "Palisade Layer."

Guard Cells

Specialized cells in the epidermis of leaves, stems, and other organs that regulate gas exchange by opening and closing stomatal pores.

Stomata

Tiny openings or pores often found on the underside of leaves that are involved in gas exchange and transpiration in plants.

Cuticle

A protective and waxy or hard layer covering the epidermis of plants, invertebrates, or other organisms.