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Chapter 14 - Biology Exam

Question:

A scientist discovers a DNA-based test for the allele of a particular gene. This and only this allele, if homozygous, produces an effect that results in death at or about the time of birth. Of the following, which is the best use of this discovery?


A) To screen all newborns of an at-risk population


B) To design a test for identifying heterozygous carriers of the allele


C) To introduce a normal allele into deficient newborns


D) To follow the segregation of the allele duringmeiosis


E) To test school-age children for the disorder


Answer:

B) To design a test for identifying heterozygous carriers of the allele



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Last update by mayur on 03/27/2014
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Chapter 14   Biology Exam
Chapter 14 - Biology Exam
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Free Flashcard From Chapter 14 - Biology Exam
Question: A scientist discovers a DNA-based test for the allele of a particular gene. This and only this allele, if homozygous, produces an effect that results in death at or about the time of birth. Of the following, which is the best use of this discovery? A) To screen all newborns of an at-risk population B) To design a test for identifying heterozygous carriers of the allele C) To introduce a normal allele into deficient newborns D) To follow the segregation of the allele duringmeiosis E) To test school-age children for the disorder
Answer: B) To design a test for identifying heterozygous carriers of the allele