Course

Genetics

Study Pack

Set 4 Gene Function

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Question 1

(Multiple Choice)

Free
What was the significance of Beadle and Tatum's experiment?

A)It resulted in the central dogma.
B)It led to the discovery of bread mold.
C)It resulted in the one-gene-one-enzyme hypothesis.
D)It led to the discovery of the genetic code.
E)It proved that X-rays were mutagens.

Answer

Question 2

(Multiple Choice)

Free
In a molecule of hemoglobin C,an aspartic acid residue is changed into a ________ residue.

A)lysine
B)tyrosine
C)leucine
D)phenylalanine
E)glutamine

Answer

Question 3

(Multiple Choice)

Free
Amniocentesis involves

A)prenatal diagnosis of genetic defects in a fetus.
B)tests for enzyme and protein deficiencies in a fetus.
C)taking a sample of amniotic fluid with a needle.
D)analysis for DNA and chromosome defects in a fetus.
E)All of these

Answer