Shane and Blane Are Monozygotic Twins

question 47

Multiple Choice

Shane and Blane are monozygotic twins.However,people seldom get the two brothers mixed up because Blane is almost two inches shorter than Shane.What can you conclude based on this evidence

• A) Because the brothers display different phenotypes, they must also have different underlying genotypes. 
• B) Even though both brothers share the same genotype, they display different phenotypes. 
• C) Even though both brothers display the same phenotype, they have different genotypes. 
• D) Blane is heterozygous for the "tallness" trait, and Shane is homozygous for the "tallness" trait.

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Riskiness

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