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Quiz 1 with Answer Key for Developmental Biology | BIO 5620, Quizzes of Developmental biology

Material Type: Quiz; Class: Developmental Bio-HON; Subject: Biological Sciences; University: Wayne State University; Term: Winter 2016;

Typology: Quizzes

2015/2016

Uploaded on 04/05/2016

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Quiz1
Name__________________________________ Date___________________
MULTIPLECHOICE.Choosetheonealternativethatbestcompletesthestatementoranswersthequestion.Each
questionisworth2.5points.(Total=12.5points)
1) Whichofthestatementsbelowwouldbetrue?
A) Thelategastrulacellsaremorecompetenttorespondtotheinductivesignalsfromthedorsal
blastoporelip(theSpemann-Mangoldorganizer)thantheearlygastrulacells,becausethe
lategastrulacellsarelessdeterminedthantheearlygastrulacells
B) Theneurulacellsaremorecompetenttorespondtotheinductivesignalsfromthedorsal
blastoporelip(theSpemann-Mangoldorganizer)thanthegastrulacells,becausetheneurula
cellsaremoredeterminedthanthegastrulacells
C) Thelategastrulacellsarelesscompetenttorespondtotheinductivesignalsfromthedorsal
blastoporelip(theSpemann-Mangoldorganizer)thantheearlygastrulacells,becausethe
lategastrulacellsaremoredeterminedthantheearlygastrulacells
D) Theneurulacellsarelesscompetenttorespondtotheinductivesignalsfromthedorsal
blastoporelip(theSpemann-Mangoldorganizer)thanthegastrulacells,becausetheneurula
cellsarelessdeterminedthanthegastrulacells
1)
2) Whichofthestatementsbelowwouldbetrue?
A) Duringoogenesisinvertebrates,thedevelopingoocyteundergoesprimaryarrestnearthe
endofprophaseI
B) Duringoogenesisinvertebrates,thedevelopingoocyteundergoesprimaryarrestnearthe
endofprophaseII
C) Duringoogenesisinvertebrates,thedevelopingoocyteundergoesprimaryarrestat
metaphaseI
D) Duringoogenesisinvertebrates,thedevelopingoocyteundergoesprimaryarrestat
metaphaseII
2)
3) Whichofthestatementsbelowwouldbetrue?
A) Genomicequivalencestatesthatthehistonemarksofallsomaticcellswithinagivenanimal
areidentical
B) GenomicequivalencestatesthattheDNAmethylationmarksofallsomaticcellswithina
givenanimalareidentical
C) GenomicequivalencestatesthatthegenomicDNAsequenceofallsomaticcellswithina
givenanimalareidentical
D) Twooftheabove
E) Alloftheabove
3)
4) Whichofthestatementsbelowwouldillustrateinstructiveinduction?
A) TheFrenchFlagModelofpositionalinformation
B) Cellsgeneratedifferentresponsestodifferentlevelsoftheinductivesignal
C) Alloftheabove
D) Noneoftheabove
4)
1
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Quiz 1

Name__________________________________ Date___________________

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. Each question is worth 2.5 points. (Total = 12.5 points)

  1. Which of the statements below would be true?

A) The late gastrula cells are more competent to respond to the inductive signals from the dorsal blastopore lip (the Spemann-Mangold organizer) than the early gastrula cells, because the late gastrula cells are less determined than the early gastrula cells

B) The neurula cells are more competent to respond to the inductive signals from the dorsal blastopore lip (the Spemann-Mangold organizer) than the gastrula cells, because the neurula cells are more determined than the gastrula cells

C) The late gastrula cells are less competent to respond to the inductive signals from the dorsal blastopore lip (the Spemann-Mangold organizer) than the early gastrula cells, because the late gastrula cells are more determined than the early gastrula cells

D) The neurula cells are less competent to respond to the inductive signals from the dorsal blastopore lip (the Spemann-Mangold organizer) than the gastrula cells, because the neurula cells are less determined than the gastrula cells

  1. Which of the statements below would be true? A) During oogenesis in vertebrates, the developing oocyte undergoes primary arrest near the end of prophase I B) During oogenesis in vertebrates, the developing oocyte undergoes primary arrest near the end of prophase II C) During oogenesis in vertebrates, the developing oocyte undergoes primary arrest at metaphase I D) During oogenesis in vertebrates, the developing oocyte undergoes primary arrest at metaphase II
  1. Which of the statements below would be true? A) Genomic equivalence states that the histone marks of all somatic cells within a given animal are identical B) Genomic equivalence states that the DNA methylation marks of all somatic cells within a given animal are identical C) Genomic equivalence states that the genomic DNA sequence of all somatic cells within a given animal are identical D) Two of the above E) All of the above
  1. Which of the statements below would illustrate instructive induction? A) The French Flag Model of positional information B) Cells generate different responses to different levels of the inductive signal C) All of the above D) None of the above
  1. Gene A and gene B act antagonistic to each other, as part of a linear pathway. Which of the following experimental data would show that gene A is epistatic to gene B? A) An animal carrying a loss-of-function mutation in gene A and a gain-of-function mutation in gene B has the same phenotype as an animal that only carries a gain-of-function mutation in gene B B) An animal carrying a loss-of-function mutation in gene A and a gain-of-function mutation in gene B has the same phenotype as an animal that only carries a loss - of-function mutation in gene A C) An animal carrying a loss-of-function mutation in gene A and a gain-of-function mutation in gene B has the same phenotype as an animal that only carries a loss - of-function mutation in gene B D) Two of the above E) All of the above