Which of the following probabilities is correct (according to Mendel's law of independent assortment) regarding a mating of an Ss RR individual to an individual who is Ss Rr? (A – indicates the second allele is either dominant or recessive.                         A)   Homozygous recessive: 10%                        B)   Heterozygous both alleles: 50%             C)   ss R– : 15.5%             D)   S–   RR: 37.5%

Human Heredity: Principles and Issues (MindTap Course List)
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Chapter18: Genetics Of Behavior
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Which of the following probabilities is correct (according to Mendel's law of independent assortment) regarding a mating of an Ss RR individual to an individual who is Ss Rr? (A – indicates the second allele is either dominant or recessive.
           
            A)   Homozygous recessive: 10%           
            B)   Heterozygous both alleles: 50%
            C)   ss R– : 15.5%
            D)   S–   RR: 37.5%

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With the given genotypes of the parents, let us first make a Mendelian Cross and obtain F1 generation using the concept of Punnet Square.

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