what do you mean by dihybrid cross ? what is dihybrid phenotypic ratio?
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In this Dihybrid Cross, homozygous dominant traits were crossed with homozygous recessive traits. This particular cross always results in the phenotypic ratio of 1:0:0:0 meaning that the offspring will all have both dominant phenotypes but will be carriers of the recessive phenotypes.
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A dihybrid cross describes a mating experiment between two organisms that are identically hybrid for two traits. The offspring of the RRYY x rryy cross, which is called the F1 generation, were all heterozygous plants with round, yellow seeds and the genotype RrYy. ...
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