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16 October 2020 | Story Leonie Bolleurs | Photo Supplied
Kyla Dooley, runner-up in this year’s Three-minute thesis competition, wants to pursue a career working alongside police enforcement, using her knowledge of forensics to solve criminal cases and convict perpetrators.

When rapes and sexual assaults are committed, DNA evidence can play a large role in convicting the offenders. DNA evidence collected from sexual crimes can, according to Kyla Dooley, often be tricky to analyse.

Kyla has just completed her master’s degree, specialising in Forensic Genetics, at the University of the Free State (UFS). She not only thrives in this field – graduating at the top of the Faculty of Natural and Agricultural Sciences in 2018 when she was awarded the Dean’s Medal – but her work also brought her the runner-up position in this year’s Three-minute thesis competition. 

She talked about her research on the use of male-specific DNA in the analysis of DNA evidence collected after crimes of a sexual nature have been committed.

Explaining her research, Kyla elaborates: “In most cases, the victim is female, while the offender is male. Therefore, the evidence is often a mixture of male and female DNA and this can make it difficult to analyse the male DNA and match it to a male suspect.”

She believes the solution to this is to target male-specific DNA in analysis. “This eliminates all female DNA and simplifies the process,” says Kyla.

“Unfortunately, male-specific DNA technology is not currently used in South Africa, because the DNA regions tested to date haven’t shown much success in distinguishing between males in our population,” Kyla points out.

“The goal is now to use DNA evidence, to match it to a suspect, and have the confidence that it came from him and only him. Or else defence lawyers could argue that it came from someone else in the population,” she says.

Improving DNA evidence

Therefore, Kyla’s research focused on evaluating a new group of male-specific DNA regions, which are to be tested yet, to see if it would be a viable option for use in South Africa. 

“I achieved this by collecting DNA samples from men on campus, processing them to obtain DNA profiles, and then determining how well these regions can distinguish between the men. The results of my research demonstrate the potential of these DNA regions to improve the use of DNA evidence when investigating sexual assaults in South Africa,” says Kyla.

She believes her study can play a role in increasing the conviction rate of sexual offenders, which could lead to a reduction in South Africa’s alarmingly high rape statistic. 

“Everyone in South Africa is affected by this horrific crime in some way or another, so the benefits of this would be widespread,” she says.

Solving crimes

Although Kyla will one day pursue further studies, she is ready for the next stage in her life. “I am in the process of applying for jobs and getting ready to dive into the real world. I’ll definitely be pursuing a career working alongside police enforcement to solve criminal cases and convict perpetrators of such crimes. Working for the NYPD in the USA or Scotland Yard in the UK is the ultimate dream job,” she says.

“I chose my field not only because the forensics world absolutely fascinates me, but also because I want to make a difference. I want to play a role in getting justice for those affected by violent crimes. One simple process in a forensic scientist’s everyday routine could be a life changer for a victim of crime,” believes Kyla.

 

 


News Archive

UFS awards honorary doctorates during spring graduation ceremony
2004-09-20

The University of the Free State (UFS) will award three honorary doctorates this week during its spring graduation ceremony.

The graduation ceremony will take place on Wednesday 22 September 2004 and the honorary doctorates are Dr Calvin Seerveld (D Phil (hc), Prof YK Seedat (MD (hc) and Dr Mary Seely (D Sc (hc).

“The doctorates come from a wide spectrum of specialty fields and serve as proof of the UFS’s policy to give recognition to people who stand out and make a difference,” says Prof Frederick Fourie, Rector and Vice-Chancellor of the UFS.

Dr Calvin Seerveld (D Phil (hc) will receive an honorary doctorate for his academic leadership at the Institute for Christian Studies in Toronto and the wide international recognition he has received throughout his career in various subject areas, eg philosophical aesthesia, the theory of art, the methodology of the description of the history of art and continental philosophy.

Prof YK Seedat (MD (hc) will receive an honorary doctorate for his extraordinary contribution to medicine in South Africa. His research in the field of hypertension in blacks received international recognition and significantly contributed to the understanding of the pathophysiology of this condition.

In the mid-eighties Prof Seedat was instrumental in supporting the bid from the Faculty of Medicine at the University of the Orange Free State (UOFS) to host the first Colleges of Medicine of South Africa examination in Bloemfontein. This started a tradition that is still being maintained. Prof Seedat is a researcher at the Faculty of Health Sciences at the University of Kwa-Zulu Natal.

The Executive Director of the Desert Research Foundation of Namibia, Dr Mary Seely (D Sc (hc)), will be honored for the impact she has made on the development of environmental management in the drier parts of the southern African subcontinent. Though her research has been concentrated in Namibia, she has affected the professional lives of large numbers of ecologists, environmental scientists and environmental managers.

According to Prof Fourie the three doctorates form part of the greater group of 18 who will be honored by the UFS during its centenary year. The last group will be receiving their honorary doctorates in October 2004.

 

Media release
Issued by: Lacea Loader
Media Representative
Tel: (051) 401-2584
Cell: 083 645 2454
E-mail: loaderl.stg@mail.uovs.ac.za
20 September 2004

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