Dihybrid Inheritance

Biology

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Dominant trait

Traits that are expressed when both alleles are dominant allele is paired with a recessive allele.

Recessive trait

Traits that are expressed if a recessive allele is paired with another recessive allele.

Trait

A variation of a specific characteristic.

Purebreed

Individual which carries two identical allele for a trait.

Hybrid

Is the product of mating between two purebreed varieties

Punnett square

Used to predict the rations and probabilities of genotype and phenotype in the offspring produced.

Law of Segregation

A characteristic of an organism is controlled by a pair of alleles and only one of the allelic pairs is inherited in a gamete.

Dihybrid inheritance

Inheritance of two characteristics, each characteristic is controlled by a different gene located at a different locus.

Law of Independent Assortment

During gamete formation, each allele from a pair of alleles can combine randomly with any allele from another pair of alleles.

Offspring with two dominant traits resulted from

A gamete that carries two dominant alleles fertilises a gamete that carries two recessive alleles

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