A Researcher Has Developed Two Stains for Use with Seed

question 29

Multiple Choice

A researcher has developed two stains for use with seed plants. One stains sporophyte tissue blue; the other stains gametophyte tissue red. If the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur?

• A) The pollen grains will be pure red.
• B) The pollen grains will be pure blue.
• C) The pollen grains will have red interiors and blue exteriors.
• D) The pollen grains will have blue interiors and red exteriors.
• E) Insofar as the pollen grains are independent of the plant that produced them, they will not absorb either stain.

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Definitions:

Teotihuacán

An ancient Mesoamerican city located in the Basin of Mexico, known for its pyramids and complex urban layout, significant in pre-Columbian history.

Pilgrimage Site

A location of great spiritual significance to which believers travel in order to perform religious practices or rituals.

Division of Labor

An economic concept where production tasks are divided among different individuals or groups, leading to specialization and increased efficiency.

Mesoamerican Societies

Ancient civilizations that existed in the Mesoamerican region before the Spanish colonization of the Americas, including the Aztec, Maya, and Olmec among others.