Polymerase Chain Reaction (PCR) Can Be Used for Many Different

Multiple Choice

Polymerase chain reaction (PCR) can be used for many different purposes, including determining paternity. PCR amplifies specific DNA sequences from complex mixtures and can be used to amplify sequences that although they may not have any known function may have several unique sizes and these different forms are inherited according to the Law of Segregation. Below is a diagram of an agarose gel of PCR samples from a mother, and several children. Which letters represent children that could be biologically related to the mother?

A) A, B, and C
B) All of the children could be related to the mother
C) B, C, and D