Which of the following processes is most likely responsible for the variable number of repeated units found at a specific STR locus?
A) failure of homologous chromosomes to separate during meiosis
B) mutations causing increased activity in rRNA
C) slippage during DNA replication
D) alternative splicing of transcripts

Question

Quizplus · Accepted Answer

Slippage during DNA replication is responsible for the variability in the number of repeated units at specific Short Tandem Repeat (STR) loci. This process can lead to insertions or deletions of repeats, causing the observed variability.

Which of the Following Processes Is Most Likely Responsible for the Variable