Final answer:PCR of STR marker A in aheterozygouscow would result in two products due to the presence of two different alleles at the marker.Explanation:Your questionmentionsthe PCR products of a Short Tandem Repeat (STR) marker A in a heterozygous cow. Without specific details about the sizes or characteristics of the PCR products, I can't provide a detailed response. In a heterozygous organism, twodifferentalleles are present at the STR marker locus, resulting in two distinct PCR products of varying sizes. These products are separated by size using gelelectrophoresis, allowing researchers to visualize the alleles. The specific sizes of the PCRproductsprovide information about the alleles' repeat lengths, which is valuable for applications like genetic diversity studies, paternity testing, or forensic analysis. If you provide the sizes or other specific details of the PCR products, I can give you a more detailed explanation.Learn more about PCR of STR marker A in a heterozygous cow here:brainly.com/question/36578015#SPJ11...

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