Sunday, August 14, 2011

Genotypic ratios && probability?

Based on what you said, the offspring have freckles. That means they must be either zygous dominant (FF) or heterozygous (Ff). For this to occur, both parents would need to be zygous dominant (FF), which would make all offspring zygous dominant (FF). In order for the offspring to be all heterozygous, which is more probable, the parents' genotypes would be zygous dominant (FF) and zygous recessive (ff).

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