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Chapter 12 Patterns of Inheritance Read 12.2 How many traits can we observe with mono-hybrid crosses? What is an allele? Assume being tone deaf is dominant over normal tone hearing. How many traits (genes) are being considered? If an individual possesses one dominant allele and one recessive allele what is its genotype? If an individual possesses 2 recessive alleles what is its phenotype? What does the Principle of Segregation state? Read 12.3 How many traits can we observe with di-hybrid crosses? Assume tall plants are dominant over dwarf plants. Assume purple flowers are dominant over white flowers. How many traits (genes) are being considered? If both parents are homozygous dominant for the above traits what is the most likely phenotype of their offspring? What does the Principle of Independent Assortment state? Read 12.6 Define polygenic Pleiotropic Incomplete dominance Co-dominance Epistasis
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