Question 1

Which of the following are sex chromosomes of a normal human male?

Accepted Answer

A)   XY
B)   XX
C)   XO
D)   YOE) A) and C)
F) B) and C)

Question 2

Which of the following is NOT part of Mendel's law of segregation?

Accepted Answer

A)   Each individual contains two factors for each trait
B)   One factor must be dominant and one factor recessive in each individual
C)   Each gamete contains one copy of each factor
D)   Fertilization restores the presence of the two factorsE) A) and C)
F) C) and D)

Question 3

On the cloverleaf-shaped tRNA,what is exposed to form base pairs with complementary codon bases in the mRNA?

Accepted Answer

A)   Polysomes
B)   Introns
C)   Anticodons
D)   RNA polymeraseE) All of the above
F) B) and C)

Question 4

Which level of control in gene activity involves delay in translation,such as the buildup of oocytes messenger RNA until fertilization activates egg metabolism?

Accepted Answer

A)   Translational control
B)   Transcriptional control
C)   Gene rearrangement
D)   DNA modificationE) None of the above
F) A) and B)

Question 5

Gene interactions in which an allele at one locus prevents the expression of an allele at another locus is called

Accepted Answer

A)   complete dominance.
B)   incomplete dominance.
C)   epistasis.
D)   pleiotropy.E) None of the above
F) B) and D)

Question 6

If a gene is not on the sex chromosome,it is found on a (an)

Accepted Answer

A)   autosome.
B)   locus.
C)   dyad.
D)   asexual chromosome.E) B) and C)
F) A) and D)

Question 7

The location of a gene on a chromosome is called the gene __________.

Accepted Answer

A)   tetrad
B)   locus
C)   dyad
D)   synapsisE) A) and B)
F) A) and C)

Question 8

Deletion of one chromosome,as in the case of XO or Turner syndrome,would be a case of

Accepted Answer

A)   aneuploidy.
B)   changes in the linear arrangement of genes within one chromosome.
C)   trisomy.
D)   polyploidy.E) B) and C)
F) B) and D)

Question 9

Which type of molecule produces variable lengths of DNA with "sticky ends"?

Accepted Answer

A)   DNA ligase
B)   RNA polymerase
C)   Reverse transcriptase
D)   Restriction enzymesE) A) and D)
F) B) and D)

Question 10

Since a testcross backcrosses with a pure homozygous recessive strain,the offspring of an Aa genotype crossed by an aa genotype would show which genotype(s) ?

Accepted Answer

A)   AA only
B)   Aa only
C)   AA and Aa
D)   Aa and aaE) A) and B)
F) A) and C)

Question 11

Aneuploidy is the addition or subtraction of a single _____________ to or from a diploid set.

Accepted Answer

The answer of Aneuploidy is the addition or subtraction of...

Question 12

The first control in gene activity is _______ control.

Accepted Answer

A)   translational
B)   transcriptional
C)   gene rearrangement
D)   DNA modificationE) B) and C)
F) All of the above

Question 13

What is the anticodon for GCG?

Accepted Answer

A)   AUA
B)   UAU
C)   CGC
D)   AGAE) A) and B)
F) A) and C)

Exam 5: Genetics: a Review

Which of the following are sex chromosomes of a normal human male?

Correct Answer
verified

On the cloverleaf-shaped tRNA,what is exposed to form base pairs with complementary codon bases in the mRNA?

Correct Answer
verified

Since a testcross backcrosses with a pure homozygous recessive strain,the offspring of an Aa genotype crossed by an aa genotype would show which genotype(s) ?

Correct Answer
verified

Deletion of one chromosome,as in the case of XO or Turner syndrome,would be a case of

Correct Answer
verified

Which level of control in gene activity involves delay in translation,such as the buildup of oocytes messenger RNA until fertilization activates egg metabolism?

Correct Answer
verified

What is the anticodon for GCG?

Correct Answer
verified

Gene interactions in which an allele at one locus prevents the expression of an allele at another locus is called

Correct Answer
verified

The first control in gene activity is _______ control.

Correct Answer
verified

Aneuploidy is the addition or subtraction of a single _____________ to or from a diploid set.

Correct Answer
verified

If a gene is not on the sex chromosome,it is found on a (an)

Correct Answer
verified

Which type of molecule produces variable lengths of DNA with "sticky ends"?

Correct Answer
verified

The location of a gene on a chromosome is called the gene __________.

Correct Answer
verified

Which of the following is NOT part of Mendel's law of segregation?

Correct Answer
verified

Exam 5: Genetics: a Review

Which of the following are sex chromosomes of a normal human male?

Correct AnswerverifiedShow Answer

On the cloverleaf-shaped tRNA,what is exposed to form base pairs with complementary codon bases in the mRNA?

Correct AnswerverifiedShow Answer

Since a testcross backcrosses with a pure homozygous recessive strain,the offspring of an Aa genotype crossed by an aa genotype would show which genotype(s) ?

Correct AnswerverifiedShow Answer

Deletion of one chromosome,as in the case of XO or Turner syndrome,would be a case of

Correct AnswerverifiedShow Answer

Which level of control in gene activity involves delay in translation,such as the buildup of oocytes messenger RNA until fertilization activates egg metabolism?

Correct AnswerverifiedShow Answer

What is the anticodon for GCG?

Correct AnswerverifiedShow Answer

Gene interactions in which an allele at one locus prevents the expression of an allele at another locus is called

Correct AnswerverifiedShow Answer

The first control in gene activity is _______ control.

Correct AnswerverifiedShow Answer

Aneuploidy is the addition or subtraction of a single _____________ to or from a diploid set.

Correct AnswerverifiedShow Answer

If a gene is not on the sex chromosome,it is found on a (an)

Correct AnswerverifiedShow Answer

Which type of molecule produces variable lengths of DNA with "sticky ends"?

Correct AnswerverifiedShow Answer

The location of a gene on a chromosome is called the gene __________.

Correct AnswerverifiedShow Answer

Which of the following is NOT part of Mendel's law of segregation?

Correct AnswerverifiedShow Answer

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