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The pedigree below depicts a dominant trait. What is the genotype of individual I-1 (use the letter A for a dominant allele and a for a recessive allele)? How did you come to this conclusion? Using your best grammar, write 3-5 sentences.

The Pedigree Below Depicts A Dominant Trait What Is The Genotype Of Individual I1 Use The Letter A For A Dominant Allele And A For A Recessive Allele How Did Yo class=

Sagot :

A pedigree chart is a diagrammatic representation showing the occurrence and appearance of phenotypes of a particular gene/traits and its ancestors from one generation to the next establishing relationships between individuals in a family.

Using the letter A for a dominant allele and a for a recessive allele, the genotype of individual I-1 is Aa.

  • In the key pedigree nomenclature, an individual marked with the black ink is affected with the trait (and this trait is dominant - A).
  • Looking at the F1 generation, there are males affected and females as well.
  • For inheritance of the trait, just one copy is enough to become affected.
  • Therefore, the male parent is heterozygous for the trait and the female normal (aa) to enable the production of both affected and non-affected individuals.

Learn more about pedigrees: https://brainly.com/question/318443

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