Molgen 4500 Module 1 Multiple Choice,
102 Questions and Correct Answers.
100% Correct. Updated 2024/2025.
Cytokinesis is
A) None of the above
B) the formation of two cells at the end of mitosis in both plants and animals
C) the energy transfer process that facilitates bacterial movement
D) the formation of two new nuclei at the end of mitosis or either meiotic division
B) The formation of two cells at the end of mitosis in both plants and animals
Genetic information can be carried in which of the following biomolecules?
A) RNA and not DNA
B) proteins
C) DNA and not RNA
D) Either DNA or RNA
D) Either DNA or DNA
Assuming Mendel's Second Law is correct, what is the expected segregation ratio for traits in a dihybrid
cross?
A) 1:1:1:1
B)None of the above.
C) 9:3:3:1
D) 1:1
E) 3:1
C) 9:3:3:1
A woman who has blood type A has a daughter who is type O and a son who is type B. Which of the
following is a possible genotype for the son?
A) ii
B) IBIA
C) IBi
D) IBIB
C) I(B)i
,Red-green color blindness is X-linked recessive. A woman with normal color vision has a father who is
color blind. The woman has a child with a man with normal color vision. Which phenotype is NOT
expected?
A) a noncolor-blind female
B) a noncolor-blind male
C) a color-blind male
D) a color-blind female
D) A color-blind female
The DNA of a eukaryotic chromosome is:
A) lots of double helices all jumbled together.
B) one long double helix.
C) two or three helices neatly arranged in the nucleus.
D) attached in the middle by a centromere.
E) a pile of fibers with lots of loose ends.
B) one long double helix.
A trihybrid cross is a cross between two individuals who are heterozygous for three genes. For example:
AaBbCc x AaBbCc. Assuming these three genes are unlinked and assorting independently, what
segregation ratio would be observed?
A) 27:9:9:9:3:3:3:1
B) 12:9:3:1
C) 9:3:3:1
D) 1:1:1:1
E) 16:9:9:3:3:1
A) 27:9:9:9:3:3:3:1
Mendel's law of independent assortment has its physical basis in the:
A) haploid cells forming.
B) sister chromatids separating in meiosis II.
C) spindle attachment in anaphase I.
D) separation of alleles into haploid cells.
E) random arrangement of chromosomes on the metaphase plate in meiosis I.
E) random arrangement of chromosomes on the metaphase plate in meiosis 1
Two- and three-factor testcrosses can both be used to _____________ and _____________.
a. screen recessive mutants
b. map gene loci
c. determine parental origin
, d. determine genotype
e. identify double-crossover events
b) Map gene loci and
d) determine genotype
Ability to roll the tongue is caused by a dominant allele. A woman is a "roller," but one of her parents is
not.
What is the woman's genotype?
A) cannot be determined from this information
B) heterozygous
C) homozygous recessive
D) homozygous dominant
B) heterozygous
How many Barr bodies would you expect to see in an XXY individual?
A) 1
B) 2
C) 3
D) 0
A) 1
How do the daughter cells at the end of mitosis and cytokinesis compare with their parent cell when it
was in G1 of the cell cycle?
A) The daughter cells have the same number of chromosomes and the same amount of DNA
B) The daughter cells have half the number of chromosomes and half the amount of DNA
C) The daughter cells have the same number of chromosomes and half the amount of DNA
D) The daughter cells have half the amount of cytoplasm and half the amount of DNA
E) The daughter cells have the same number of chromosomes and twice the amount of DNA
A) The daughter cells have the same number of chromosomes and the same amount of DNA.
Which of the following are examples of monohybrid crosses?
A) Aa x Aa
B) AaBB x AaBB
C) Aa x aa
D) AaBb x aabb
E) AaBb x AaBb
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller StudyHubSolutions. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
