Genetics of Corn Quiz

What are the 5 major types of Corn?

• Sweet, Pop, Flint, Dent, Flour

• Red, Blue, Yellow, White, Green

• Field, Seed, Baby, Indian, Husked

• Starchy, Sugary, Waxy, Silky, Milky

What is the difference/importance between each of the 5 major types of Corn?

• Color and size

• Taste and texture

• Usage and kernel type

• Growth time and climate

What is a trait for each of the 5 major types of Corn?

• Color, height, leaf size, stalk strength, ear size

• Kernel color, plant height, leaf width, stalk thickness, ear length

• Sweetness, popping ability, hardness, indentation, powdery texture

• Resistance to pests, growth rate, water needs, sunlight requirements, soil preference

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Choose 2 of the 5 major types of Corn and explain how they were developed.

• Through selective breeding and genetic modification

• By natural selection and spontaneous mutation

• Through cross-pollination and hybridization

• By importing and exporting different corn varieties

What term is used to describe "jumping genes" that shuffle the genetic deck over generations in corn plants?

• Transposons

• Genomic maps

• Important crop genes

• Regulatory architecture

Who discovered the "jumping genes" in the 1940s?

• Doreen Ware

• W. Richard McCombie

• Rob Martienssen

• Barbara McClintock

Which journal published the genome sequences from 26 different strains of corn?

• Nature

• Science

• Cell

• The Lancet

Who mapped the first corn genome in 2009?

• Barbara McClintock

• Doreen Ware

• Rob Martienssen

• W. Richard McCombie

According to Ware, what is a plant's strategy to deal with environmental events?

• To have a fluid genome and a close relationship with transposons

• To move to more favorable conditions

• To go into houses for protection

• To transfer culture and knowledge like humans

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What does the new collection reveal about the corn genome?

• It has remained unchanged over time.

• It shows no signs of environmental adaptation.

• It has been shuffled over time.

• It indicates a decrease in corn production.

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