A9-month-old girl is suffering from vomiting, lethargy, and poor feeding behavior. her mother reports that the symptoms began shortly after the baby was given some cereal and mashed bananas by her grandparents. the baby's symptoms seemed to resolve after breastfeeding was resumed. which of the following enzymes is most likely deficient in this individual? galt. fructokinase. galactokinase. aldolase b.

It's galactokinase!

Explanation:

The baby has galactosemia, a genetic disorder in which there is an enzyme decifiency knows as galactokinase. This enzyme normally converts galactose(sugar in dairy products) into galactose - 1-phosphate. It's deficiency wcan lead to accumulation of galactose and galacticol in the blood. This can cause lethargy, failure to gain weight, yellowing of skin and abdominal bleeding!

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