EXAM 1 BIO 325 QUESTIONS WITH
COMPLETE SOLUTIONS
Environmental |contaminants |and |genetic |mutations |could |cause |the |same |congenital |
abnormality |if |they |both |disrupt |similar |signaling |pathways |- |CORRECT |ANSWER✔✔-True
During |vertebrate |gastrulation, |the |three |germ |layers: |ectoderm, |mesoderm, |and |endoderm |
are |formed |- |CORRECT |ANSWER✔✔-True
During |organogenesis, |the |primordial |germ |cells |undergo |reciprocal |inductions |to |induce |organ
|formation |- |CORRECT |ANSWER✔✔-False |-- |germ |layer |undergoes |reciprocal |induction
Which |tissue(s) |are |derived |from |the |ectoderm |germ |layer? |- |CORRECT |ANSWER✔✔-Nervous |
system |and |pigment |cells
During |gameotogenesis, |the |germ |layers |differentiate |into |egg |and |sperm |- |CORRECT |
ANSWER✔✔-False
Which |of |the |following |contribute(s) |to |congenital |abnormalities |in |human |neonates? |- |
CORRECT |ANSWER✔✔-a.) |Genetic |factors |in |the |embryo |such |as |mutations, |aneuploides, |and |
translocations
b.) |Environmental |disturbances |caused |by |metabolic |imbalance |in |the |mom, |such |as |diabetes
c.) |Environmental |agents |including |chemicals, |viruses, |radiation |
d.) |Combination |of |genetic |and |environmental |factors
---> |e.) |ALL |OF |THE |ABOVE
, The |shared |features |of |a |large |group |of |animals |appears |earlier |in |embryonic |development |
than |the |specialized |features |of |a |smaller |group |- |CORRECT |ANSWER✔✔-True
Which |of |the |following |choices |identifies |a |set |of |genes |that |have |the |potential |to |result |in |
similar |embryonic |defects |when |mutated? |- |CORRECT |ANSWER✔✔-Bmp4 |and |Smad1/5/8
Mutations |in |the |extracellular |matrix |protease |ADAMTS9 |can |lead |to |abnormalities |in |the |
developing |limb |and |eye. |This |would |be |an |example |of: |- |CORRECT |ANSWER✔✔-Mosaic |
Pleotrophy
Which |of |the |following |choices |accurately |orders |the |stages |of |a |male's |life |cycle? |- |CORRECT |
ANSWER✔✔-Fertilization
Cleavage
Gastrulation
Organogenesis
Gametogenesis
Birth
Death
Why |is |it |valid |to |use |experimental |evidence |from |non-human |species |to |make |models |for |
human |development? |- |CORRECT |ANSWER✔✔-a.) |The |specialized |characteristics |develop |from
|more |general |structures
b.) |They |share |similar |genes
c.) |The |embryos |go |through |similar |stages |of |early |embryonic |development
d.) |The |genes |encode |proteins |with |similar |function
--> |e.) |ALL |OF |THE |ABOVE
Which |of |the |following |terms |refers |to |the |ability |of |a |tissue |or |cell |to |respond |to |an |inductive
|signal? |- |CORRECT |ANSWER✔✔-Competence
COMPLETE SOLUTIONS
Environmental |contaminants |and |genetic |mutations |could |cause |the |same |congenital |
abnormality |if |they |both |disrupt |similar |signaling |pathways |- |CORRECT |ANSWER✔✔-True
During |vertebrate |gastrulation, |the |three |germ |layers: |ectoderm, |mesoderm, |and |endoderm |
are |formed |- |CORRECT |ANSWER✔✔-True
During |organogenesis, |the |primordial |germ |cells |undergo |reciprocal |inductions |to |induce |organ
|formation |- |CORRECT |ANSWER✔✔-False |-- |germ |layer |undergoes |reciprocal |induction
Which |tissue(s) |are |derived |from |the |ectoderm |germ |layer? |- |CORRECT |ANSWER✔✔-Nervous |
system |and |pigment |cells
During |gameotogenesis, |the |germ |layers |differentiate |into |egg |and |sperm |- |CORRECT |
ANSWER✔✔-False
Which |of |the |following |contribute(s) |to |congenital |abnormalities |in |human |neonates? |- |
CORRECT |ANSWER✔✔-a.) |Genetic |factors |in |the |embryo |such |as |mutations, |aneuploides, |and |
translocations
b.) |Environmental |disturbances |caused |by |metabolic |imbalance |in |the |mom, |such |as |diabetes
c.) |Environmental |agents |including |chemicals, |viruses, |radiation |
d.) |Combination |of |genetic |and |environmental |factors
---> |e.) |ALL |OF |THE |ABOVE
, The |shared |features |of |a |large |group |of |animals |appears |earlier |in |embryonic |development |
than |the |specialized |features |of |a |smaller |group |- |CORRECT |ANSWER✔✔-True
Which |of |the |following |choices |identifies |a |set |of |genes |that |have |the |potential |to |result |in |
similar |embryonic |defects |when |mutated? |- |CORRECT |ANSWER✔✔-Bmp4 |and |Smad1/5/8
Mutations |in |the |extracellular |matrix |protease |ADAMTS9 |can |lead |to |abnormalities |in |the |
developing |limb |and |eye. |This |would |be |an |example |of: |- |CORRECT |ANSWER✔✔-Mosaic |
Pleotrophy
Which |of |the |following |choices |accurately |orders |the |stages |of |a |male's |life |cycle? |- |CORRECT |
ANSWER✔✔-Fertilization
Cleavage
Gastrulation
Organogenesis
Gametogenesis
Birth
Death
Why |is |it |valid |to |use |experimental |evidence |from |non-human |species |to |make |models |for |
human |development? |- |CORRECT |ANSWER✔✔-a.) |The |specialized |characteristics |develop |from
|more |general |structures
b.) |They |share |similar |genes
c.) |The |embryos |go |through |similar |stages |of |early |embryonic |development
d.) |The |genes |encode |proteins |with |similar |function
--> |e.) |ALL |OF |THE |ABOVE
Which |of |the |following |terms |refers |to |the |ability |of |a |tissue |or |cell |to |respond |to |an |inductive
|signal? |- |CORRECT |ANSWER✔✔-Competence
