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About this document
- Pages
- 5 pages
- Price
- $5 one-time, yours to keep
- Membership
- Included in every plan
- Format
- Subject
- Agriculture, Biology, Genetics
- Module
- Lab 6 · Week 6
This lab report covers the origin of corn, focusing on the transformation of teosinte into modern maize. It helps students understand the genetic changes and domestication processes involved. It is for Week 6, Module Lab 6.
What's inside
- Purpose of domestication in ancient civilizations
- Features that link teosinte to modern maize
- Dr. Beadle's experiments and findings
- Archaeological and molecular evidence
- Comparison of teosinte and maize characteristics
Who it is for: Students taking the SCIN130 course. (Undergraduate)
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Summary
The origin of corn is traced from teosinte. Students watch a film and answer questions about the domestication of maize.
Domestication of maize
Domestication helped ancient people live in larger settlements. The film explains how teosinte became maize. Students answer questions about the film.
Teosinte and maize
Teosinte and maize have the same number of chromosomes. They can interbreed. Students compare teosinte and maize.
Evolution of maize
Changes in a few genes can make plants look very different. Students explain how this happens. They also explain how teosinte can be popped.
Evidence of maize domestication
Archaeologists found microfossils on grinding tools. This evidence supports the molecular evidence for maize domestication. Students explain how.
Key terms
- Teosinte
- A wild grass that is an ancestor of modern maize.
- Maize
- A crop that was domesticated from teosinte.
- Domestication
- The process of adapting wild plants for human use.
- Microfossils
- Small fossils that show the presence of maize.
- Chromosomes
- Structures in cells that contain genes.
- Hybrid offspring
- Offspring that result from breeding two different species.
Questions this document helps with
- How did teosinte become maize?
- What evidence shows where maize was first domesticated?
- How do a few genes change how a plant looks?
Summary written with AI from the document's text.
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