It seems that you have missed the necessary options for us to answer this question so I had to look for it. Anyway, here is the answer. The genetic or chromosomal abnormality that is correctly matched with its description is this: Phenylketonuria—the child cannot produce a critical enzyme, resulting in an accumulation of <span>poison, in turn causing mental disorder. Hope this helps.</span>
Answer:
chromosomes r the threadlike structure found in the nucleus of living cells, carrying genetic information in the form of genes.
The correct answer is a trisomy. Hope this helps.
Explanation:
i found this on internet...