Genes Come in Pairs

Mendel deduced that pure-bred parents have two copies of the same gene for each trait.
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16154. Genes Come in Pairs
DNAFTB Animation 2: Gregor Mendel explains how he discovered that genes come in pairs by studying pea plants.
16182. Some genes are dominant.
DNAFTB Animation 4: Gregor Mendel explains the rules of inheritance.
16169. Concept 3: Gene's don't blend.
Mendel discovered that pure-bred plants did not produce offspring with blended traits.
16181. Some genes are dominant.
DNAFTB Concept 4: Mendel identifies dominant and recessive genes.
16168. Problem 2: Genes come in pairs
Repeat Mendel's experiments with an eighth trait.
16190. Some genes are dominant.
DNAFTB Problem 4: Cross pure-bred pea plants to identify dominant flower color.
16207. Problem 5: Genetic inheritance follows rules.
Perform a dihybrid cross.
16313. Problem 12: Evolution begins with the inheritance of gene variations.
DNAFTB Problem 12:Explore "hybrid vigor."
16301. Evolution begins with the inheritance of gene variations.
Animation 12 George Shull used corn to study gene variation.
16191. Concept 5: Genetic inheritance follows rules.
Different gene combinations result in different dominant/recessive ratios in offspring.