II The pedigree above tracks the presence of attached earlobes through a family's generation. Having attached earlobes is an autosomal recessive trait. You can use T (earlobe not attached) and t (earlobe attached). 1. Examine pedigree A above. How is the trait inherited? What are the genotypes of the following individuals. 2. a) I-1 b) I-2 c) II-1 d) II-3

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