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What percentage of the children born to parents both of whom suffer from phenylketonuria (PKU) will develop this disease? PKU is an autosomal recessive disease. 

Individuals with the same phenotype

In the cell DNA is found as chromatin when the cell is not dividing

Heartburn is when stomach acid moves into the duodenum.

Certain diseases severely damage organs so much so that they must be removed.     Answer the following in detail.     a)  Why might a patient with pancreatic cancer, which drastically interferes with the pancreatic secretions, suffer from a duodenal ulcer? (3 marks)

An Electrocardiogram (ECG) measures the electrical output of the heart.

The larynx is located at the top of the trachea.

When small nutrients pass through the intestinal wall, this is called:

The passage/area through which both air and food pass is called the:

Valves prevent the blood from flowing back.