Question

A Labrador retriever breeder needs to determine if three male pups who were born to Sadie, his black Labrador retriever, are the offspring of Sam, a yellow Labrador retriever from another breeder. Which process could the breeder use to determine if Sam is the father of the pups? PCR analysis STR analysis mtDNA analysis Y-chromosome analysis

Answer 1

The question is asking to choose the following process could the breeder use to determine if Sam is the father of the pups and in my further research and in my own understanding, I would say that the answer would be Y-Chromosome Analysis. I hope you are satisfied with my answer and feel free to ask for more 

Answer 2

D) Y-chromosome analysis