OBJECTIVE LIFE SCIENCE
GENETICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which is an example of a study that might be done by a transmission geneticist?
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A comparison between many individuals indicates that the “short” variant of a particular gene seems to increase risk for alcoholism.
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DNA sequencing allows geneticists to determine the difference between the short and long variants of a newly discovered gene.
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Geneticists are able to clone and express a gene to produce human insulin.
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A geneticist collects family histories in order to study the mechanism of transmission of a genetic disorder.
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Explanation:
Detailed explanation-1: -Genetics is the scientific study of genes and heredity-of how certain qualities or traits are passed from parents to offspring as a result of changes in DNA sequence.
Detailed explanation-2: -Genetic tests are performed on a sample of blood, hair, skin, amniotic fluid (the fluid that surrounds a fetus during pregnancy), or other tissue. For example, a procedure called a buccal smear uses a small brush or cotton swab to collect a sample of cells from the inside surface of the cheek.
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