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Monohybrid Crosses

Monohybrid Crosses

Dihybrid Crosses

Dihybrid Crosses

Law of Independent Assortment

Law of Independent Assortment

While Mendel’s Law of Segregation states that the two alleles for one gene are separated into different gametes, a different question of how different genes are inherited remains. For example, is the gene for tall plants inherited with the gene for green peas? Mendel asked this question by experimenting with a dihybrid cross; a cross in which both parents are homozygous for two distinct traits resulting in an F1 generation that are heterozygous for both traits.

Monohybrid Crosses

Monohybrid Crosses

Dihybrid Crosses

Dihybrid Crosses

Trihybrid Crosses

Trihybrid Crosses

Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal chance to...

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Experiments on Plant Hybrids by Gregor Mendel

Scott Abbott¹, Daniel J Fairbanks²

¹*Department of Integrated Studies, Utah Valley University, Orem, Utah 84058.

|October 13, 2016

Summary

No abstract available in PubMed .

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