Corn Segregating Ear R SU Alleles - Carolina Biological Supply Company

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Home > Life Science > Genetics > Plant Genetics > Corn Segregating Ear, R and Su Alleles 9:3:3:1

Corn Segregating Ear, R and Su Alleles 9:3:3:1

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Corn Segregating Ear, R and Su Alleles 9:3:3:1

Carolina Teacher Tips - Kernels of Truth

The large number of kernels on each corn ear gives a close approximation of the theoretical ratio
Seed are still in their natural unit, for a convincing demonstration of Mendelian genetics
The big visual difference in phenotypes makes recognition and seed-counting easy
Ears are laquer-treated to improve appearance and hold seed firmly to the cob
Each ear is fumigated, bagged, and labeled

Corn is an excellent choice for introducing students to Mendelian inheritance. Carolina does the crosses and supplies F2 ears of corn so you can literally do an instant genetics lab. There are numerous contrasting phenotypes expressed in corn kernels (corn seed). The phenotypes Carolina typically uses involve the color or shape of the kernel. Our phenotypes are easy to recognize, and even beginners can score them with confidence!

Discovering Dihybrids

Appropriate for teacher demos
May be used as a refill for Genetics of Corn Kit (#176360)
For studying dihybrid inheritance

With this corn ear, it's easy to show your students inheritance patterns for organisms that differ in 2 traits: Purple Starchy:Purple Sweet:Yellow Starchy: Yellow Sweet. An F₂ ear resulting from a P₁ having the genotypes R/R Su/Su and r/r su/su.