Test Bank | Ch3 Chromosome Transmission – 7th Edition

View Product website:

https://selldocx.com/docx/test-bank-ch3-chromosome-transmission-7th-edition-1292

Student name:__________

1) Which of the following statements is correct regardingprokaryotic cells?Check all that apply.

A) Genetic information is contained within a nucleoid region.
B) Genetic material is organized as a single circular chromosome.
C) Membrane-bound organelles are found in the cytoplasm.
D) A cell wall surrounds the plasma membrane.

2) Sister chromatids are separated during anaphase of __________. (Check all that apply.)

A) mitosis
B) meiosis II
C) meiosis I
D) cytokinesis

3) Which of the following occurs during prophase? Check all that apply.

A) Chromosomes start to condense.
B) Sister chromatids separate and head towards opposite poles of the cell.
C) The chromosomes line up in the center of the cell.
D) The nuclear membrane starts to disassociate.
E) Separated sister chromatids are considered independent chromosomes.

4) Organelles are _____.

A) structures that contain the genetic material.
B) membrane-bound compartments of eukaryotic cells.
C) the region that contains the DNA in prokaryotic cells.
D) the outer, rigid covering of a prokaryotic cell.

5) A karyotype is a(n) _____.

A) organelle of eukaryotic cells.
B) stage of prophase I in meiosis.
C) division of the cytoplasmic material following mitosis.
D) organized representation of the chromosomes within a cell.
E) protein complexbound to the centromereof an individual chromosome.

6) You are performing a karyotype for the first time and you forget to add the colchicine. How do you predict this will affect your karyotype?

A) No affect - your karyotype will look normal.
B) You willbe unable to see any chromosomes under the microscope.
C) You will only be able to see one of each chromosome.
D) The chromosomes will look normal (highly compacted) in some cells, but distinct chromosomes will be hard to identify in other cells.

7) During sexual reproduction, each parent contributes one set of chromosomes. Members of a pair of chromosomes (one from each parent) are called _____.

A) karyotypes
B) sister chromatids
C) homologs
D) sex chromosomes

8) Which of the following would contain genetic material that is 100% identical?

A) Homologous chromosomes
B) Sister chromatids
C) X and Y chromosomes
D) All of these choices are correct - all answers are identical.

9) You are studying a diploid organism that has 14 pairs of chromosomes. How many chromatids would this cell have in G2 phase?

A) 7
B) 14
C) 28
D) 56
E) 112

10) You are studying a diploid organism that has 14 pairs of chromosomes. How many chromatids will a gamete from this organism have?

A) 7
B) 14
C) 28
D) 56
E) 112

11) You are studying a diploid organism that has 14 pairs of chromosomes. How many chromatids will a cell from this organism have in metaphase of meiosis II?

A) 7
B) 14
C) 28
D) 56
E) 112

12) The location of a gene on a chromosome is called its _____.

A) karyotype
B) allele
C) locus
D) homolog

13) Cell division in prokaryotic cells is called ________, while in eukaryotic cells it is called ________.

A) binary fission ; binary fission
B) binary fission ; mitosis
C) meiosis ; mitosis
D) mitosis ; binary fission

14) Sister chromatids are formed during which phase of the cell cycle?

A) G 1 phase
B) G 2 phase
C) S phase
D) Prophase
E) Cytokinesis

15) Chromosomes start to condense during which phase of the cell cycle?

A) Metaphase
B) Prometaphase
C) Telophase
D) Anaphase
E) Prophase

16) Which of the following indicates the correct order of these events?

A) Anaphase -Telophase - Prophase - Prometaphase - Metaphase
B) Telophase -Prometaphase - Prophase - Metaphase - Anaphase
C) Metaphase -Prometaphase - Prophase - Anaphase - Telophase
D) Prophase -Prometaphase - Metaphase - Anaphase - Telophase

17) In animals, somatic cells are ________ and germ cells are __________.

A) diploid ; diploid
B) diploid ; haploid
C) haploid ; diploid
D) haploid ; haploid

18) If the gametes of an organism are different morphologically, they are said to be __________.

A) isogamous
B) heterogamous
C) diploid
D) haploid

19) The general purpose of the synaptonemal complex is to __________.

A) provide a link between homologous chromosomes in meiosis
B) enable the reformation of the cell wall during cytokinesis
C) separate the sister chromatids during anaphase
D) independently assort the chromosomes during metaphase of meiosis
E) None of the answers are correct.

20) What occurs during leptotene of prophase I?

A) The homologous chromosomes recognize one another by synapsis.
B) Crossing over occurs.
C) The replicated chromosomes condense.
D) The synaptonemal complex dissociates.
E) None of the answers are correct.

21) A bivalent contains how many chromatids?

A) 2
B) 4
C) 8
D) Depends on the cell

22) The process of crossing over occurs during which phase of meiosis?

A) Diakinesis
B) Diplotene
C) Pachytene
D) Zygotene
E) Leptotene

23) What represents the correct order of events during prophase I?

A) Pachytene - diplotene - diakinesis - leptotene - zygotene
B) Leptotene - zygotene - pachytene - diplotene - diakinesis
C) Zygotene - leptotene - pachytene - diakinesis - diplotene
D) Diplotene - pachytene - leptotene - diakinesis - zygotene

24) The physical structure that is formed when two chromatids cross over is called a(n) _______.

A) synaptonemal complex
B) bivalent
C) karyotype
D) chiasma

25) If an organism has five pairs of chromosomes, how many chromosomal combinations are possible at metaphase I of meiosis?

A) 25
B) 100,000
C) 9,765,625
D) 32
E) 1024

26) The end result of meiosis in animals is ______.

A) two diploid cells
B) two haploid cells
C) four diploid cells
D) four haploid cells
E) None of the answers are correct.

27) Oogenesis is a gametogenic process involving ________ that produces _______.

A) binary fission ; sperm cells
B) mitosis ; egg cells
C) meiosis ; egg cells
D) meiosis ; sperm cells
E) mitosis ; sperm cells

28) In plants, the haploid generation is called the ______ and the diploid generation is called the __________.

A) sporophyte ; spermatogenesis
B) gametophyte ; sporophyte
C) sporophyte ; gametophyte
D) oogenesis ; gametophyte

29) In plants, spores are produced by the process of __________.

A) spermatogenesis
B) meiosis
C) mitosis
D) binary fission
E) oogenesis

30) A pollen grain in a plant represents the ________.

A) male gametophyte
B) female gametophyte
C) male sporophyte
D) female sporophyte

31) In a plant, which of the following is triploid (3n)?

A) Pollen grain
B) Embryo sac
C) Seed
D) Endosperm
E) None of theses choices are correct.

32) Which microtubule type is paired to its correct function?

A) Polar microtubules - positioning of the spindle apparatus
B) Aster microtubules - positioning of the spindle apparatus
C) Kinetochore microtubules - separate the poles
D) Polar microtubules - bind kinetochore to centromere

33) The chromosomal theory of inheritance was first proposed by ___________.

A) Mendel
B) Boveri and Sutton
C) Darwin and Mendel
D) Weismann and Boveri

34) In a species of turtles you are studying, you find that when eggs are incubated at a low temperature, the hatched turtle will be male. Eggs incubated at a high temperature yield females, and intermediate temperatures lead to both male and female offpsring. This mode of sex determination is most similar to that in __________.

A) insects
B) birds
C) bees
D) alligators

35) A male produced from an unfertilized haploid egg is an example of what type of sex determination system?

A) X-Y
B) Z-W
C) X-O
D) Haplo-diploid
E) None of the answers are correct

36) In several mammals, including some rat and shrew species, the presence of two X chromosomes means the animal will be a female, whereas having just one X chromosome dictates maleness. This mode of sex determination is most similar to that in __________.

A) other mammals
B) insects
C) bees
D) birds

37) You are studying a type of cell that you don't know much about. You want to determine what organism the cell comes from. You decide to watch cell division in this cell using the appropriate cell biology tools. After some experimentation, you determine that cytokinesis in this cell is sensitive to myosin inhibitors. You are likely studying a/an __________.

A) plant cell
B) animal cell
C) bacterial cell
D) cell type that has not been previously studied

38) The process where two gametes fuse with each other in the process of fertilization to begin the life of a new organism is called __________.

A) sexual reproduction
B) gametogenesis
C) asexual reproduction
D) X-linked inheritance
E) multicellularity

39) You are studying a new species of plant similar to Mendel's pea plants. You are specifically interested in two genes that are located on two different chromosomes. In this plant, the gene for height has two alleles, T (tall) and t (short). The gene for leaf color has two alleles P (purple) and p (pink). What meiotic products do you expect from diploid cells that are homozyous for the tall allele and heterozygous for the leaf color alleles?

A) An equal number of Tp, tP, tp, and TP gametes
B) An equal number of TP and Tp gametes
C) An equal number of TP and tp gametes
D) 2 TP gametes for every 1 Tp gamete

40) You are performing a fruit fly cross similar to those that Morgan performed. Unfortunately, you forgot to write down the parents of your cross. You count the progeny, and find you have 40 red-eyed males, 80 red-eyed females, and 40 white-eyed males. Assuming that all genotypes from this cross should have equal survival rates, what are the genotypes of the parent flies?

A) XwY and Xw+Xw+
B) XwY and Xw+Xw
C) Xw+Y and Xw+Xw
D) Xw+Y and XwXw

41) Zip1 is a protein in yeast that is required for synaptonemal complex formation. Assuming synaptonemal complexes are required for meiosis in yeast, where do you predict thatcells lacking Zip1 will arrest (stop progressing through meiosis)?

A) Prometaphase of meiosis I
B) Metaphase of meiosis I
C) Metaphase of meiosis II
D) Between the zygotene and pachytene stages
E) Diakinesis

42) Vincristine is a cancer chemotherapy drug that binds to tubulin dimers, thereby inhibiting assembly of microtubules. Where do you predict that vincristine stops the cell cycle?

A) S phase
B) Prophase
C) Metaphase
D) Telophase

43) The yeast Saccharomyces cerevisiae produces haploid cells of two mating types, a and α, which are morphologically similar. Cells of opposite mating types can mate. Saccharomyces cerevisiae is a/an ___________ species.

A) isogamous
B) heterogamous
C) prokaryotic
D) asexual

44) A diploid organism that you are studying has 17 pairs of chromosomes. How many total chromosomes are found in a somatic cell from this organism? A sperm cell? An egg cell?

A) 17; 16; 16
B) 17; 17; 17
C) 34; 17; 34
D) 34; 17; 17

45) Cytokinesis in animals occurs through the formation of a ______, whereas in plants a ______ forms.

A) cleavage furrow; cell plate
B) cell plate; cleavage furrow
C) cleavage furrow; kinetochore
D) kinetochore; cell plate

46) An organized structure composed of DNA and proteins in living cells that contains hereditary information in the form of genes is called a _____.

A) chromosome
B) karyotype
C) centromere
D) centrosome
E) kinetochore

47) Lutinos are considered the albino version of the green series of parakeets. A lutino features lush, buttercup-yellow feathers on the body and head, silver-white cheek patches and paler yellow coloring on the tail and primary flight feathers. The lutino phenotype is inherited in a sex-linked recessive manner, with the green (ZB) allele being dominant to the lutino (Zb) allele. Which of the following crosses would result in 50% of the offspring being lutino females?

A) Z BZ B × Z BW
B) Z BZ B × Z bW
C) Z bZ b × Z BW
D) Z BZ b × Z BW
E) Z BZ b × Z bW

48) Of just the following events listed, which would occur first during mitosis?

A) The microtubules of the spindle fiber attach to the kinetochore.
B) Sister chromatids separate and head towards opposite poles of the cell.
C) The chromosomes line up in the center of the cell.
D) The nuclear membrane reforms around the chromosomes.
E) Separated sister chromatids are considered independent chromosomes.

49) Which of the following events would be the next to occur upon conclusion of prometaphase?

A) The chromosomes line up along the center of the cell.
B) Sister chromatids separate and head towards opposite poles of the cell.
C) The nuclear membrane reforms around the chromosomes.
D) The microtubules of the spindle fiber attach to the kinetochore.
E) Separated sister chromatids are considered independent chromosomes.