In the Following Dot Blot, the Probe Used in the Upper

Multiple Choice

In the following dot blot, the probe used in the upper row is for the normal sequence while the probe in the second row is for the -Phe mutation of the cystic fibrosis gene.What are the genotypes of the four people investigated?

A) Normal; affected; heterozygote; normal.
B) Affected; normal; heterozygote; affected.
C) Normal; heterozygote; affected; normal.
D) Affected; affected; heterozygote; normal.
E) Heterozygote; affected; heterozygote; heterozygote.