Question

answer the following questions based on the pedigree below:

1. is this mostly likely a pedigree for a dominant or recessive trait?

1. what is the relationship between i-1 and iii-3?

Explanation:

1. For question 3: Dominant traits typically appear in every generation of a pedigree, affected individuals have at least one affected parent, and unaffected parents cannot have affected offspring. This pedigree shows the trait present in all four generations, with affected parents having affected children, which matches dominant inheritance patterns.
2. For question 4: I-1 is the father of II-3, and II-3 is the mother of III-3, making I-1 the paternal grandfather of III-3.

Answer:

1. Dominant trait
2. I-1 is the paternal grandfather of III-3 (or grandfather-granddaughter relationship)