Question

Which of the following illustrates pleiotropy?

Options

• In fruit flies, the genes for scarlet eyes and hairy body are located on the same chromosome.

• Matings between earless sheep and long-eared sheep always result in short-eared offspring.

• Wheat kernels can range from white to red in color trait controlled by several genes.

• The human cystic fibrosis gene causes many symptoms, from respiratory distress to digestion problems.

Answer 1

The human cystic fibrosis gene causes many symptoms, from respiratory distress to digestion problems.