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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

Sport results: Tennis, Netball, badminton, athletics
2009-05-05

During the Mega-intervarsity Tournament held at Sun City last week, both the University of the Free State’s (UFS) men’s and women’s tennis teams beat their opponents. The Kovsies women’s team beat the Pukke 15-0, Tukkies 15-1 and Maties 12-5.

The Kovsies men’s team beat their respective opponents as follows: Maties A 12-6, Maties B 15-0, Pukke A 9-7, Tukkies A 14-1 and Pukke B 15-0.

Janine de Kock from KovsieSport said that she was satisfied with these achievements. “For the past two years the women have won the University Sports South Africa (USSA) tournament and now again this tournament. What makes this achievement special is the fact that it was the first tournament that four of the women’s team members played for the UFS.”

“I am also very satisfied with the achievements of the men’s team. They ended sixth in last year’s USSA tournament. This year, at a tournament where the top four universities in terms of tennis were present, they won,” said Janine.
Rensia Henning in action during the Mega-intervarsity Tournament that took place at Sun City last week.
Photos: Jeanine de Kok
 
Netball: Hard work gets rewarded - (April 2009)

Three Kovsies were selected from the South African National Netball team to the Senior Top 12 Team that will represent South Africa at the SPAR Challenge, a three nation’s test series against Botswana and Fiji. These matches will take place towards the end of May in Pretoria.

The three students are Elzet Engelbrecht, Maryka Holtzhausen, en Adele Niemand.


Kovsie students compete at badminton championships

One former student from the University of the Free State (UFS) Chris Dednam, and one current Kovsie student Annari Viljoen are included in the National Badminton Team that represented South Africa from 17 to 24 April 2009 at the All Africa Badminton Championships in Nairobi, Kenya. They also participated in the Kenya International Championships from 25 to 27 April 2009.

Chris Dednam and Annari Viljoen and with them Roelof Dednam, also a former Kovsie student, were included in the team that will participate at the Sudirman Cup in Guangzhou, China. The Sudirman Cup that will take place from 10 to 17 May 2009 is the world mixed team badminton championship and takes place every two years.

Kovsie athletes win medals

Kovsie athletes excelled at the South African Students Athletics Championships (USSA) that was held in Stellenbosch by winning a total of 15 medals.

The medal winners are:
Gold: Thuso Mpuang for the 200m, Johan Cronjè for the 1 500m, Maryna Swanepoel for the half marathon and Marizette Badenhorst for hammer throw.
Silver: Thuso Mpuang for the 100m, Johan Cronjè for the 5 000m, Charles le Roux for triple jump, Ronè Reynecke for the 800m, and Abongile Lerotholi for 1 500m.
Bronze: Kagisho Kumbane for 100m and 200m, Boy Soke for half marathon, Charles le Roux for long jump, Thandi Malindi for the 3 000m steeple chase, and Marike Steyn for triple jump.

In the team competition the Kovsie men’s team received third place and the women’s team fourth place.
 

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