Put a circle around the name of Ronald Scott One application of DNA fingerprinti

Question

Put a circle around the name of Ronald Scott

One application of DNA fingerprinting technology has been to identify stolen children and return them to their parents. Bobby Larson was taken from a super. market parking lot in New Jersey in 1978, when he was 4 years old. In 1990, a 16-year-old boy called Ronald Scott was found in California. living with a couple named Susan and James might, who claimed to be his parents. Authorities suspected that Susan and James might be the kidnappers and that Ronald Scott might he Bobby Larson DNA samples were obtained from Mr and Mrs Larson and from Ronald. Susan, and James Scott Then DNA fingerprinting was done, using a multi locus probe for a particular VNTR 1amiI with the results shown In the following figure from the information in the figure, what can you say about the parentage of Ronald Scott? Explain

Explanation / Answer

Mr. Larson is Ronald Scott's father and Mrs Larson is his mother.

Ronald Scott is none other than their kidnapped child Bobby Larson.

The DNA fingerprinting clearly proves this. All of Ronald 's bands coincide with the bands of either Mr Larson or Mrs. Larson. Every band of the offspring must match atleast one of its parents. Susan and James Scott's bands are very different from Ronald's. They are clearly not his parents.

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