The ease of detecting and treating ____ is a good example of the advantages of genetic screening

a. PKU
b. Tay-Sachs
c. Marfan syndrome
d. color-blindness


e. Down syndrome


ANSWER: a

Biology & Microbiology

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A unit of DNA that directs the building of a protein is the ____

a. genotype b. phenotype c. locus d. gene e. chromosome

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Why are deletions or insertions of nucleotides likely to be more detrimental than base substitutions?

What will be an ideal response?

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Annelids and arthropods have a dorsal hollow nerve cord

____________________ Indicate whether the statement is true or false.

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