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Kaplan Qbank USMLE



Author9 Posts
  #1

Which cell phase can the chromosomes be evaluated?
anaphase
interphase
metaphase
prophase
telophase

  #2

metaphase-while on the equatorial plate

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Smell the coffee! "Is That an Osler move??"

  #3

They can be "evaluated" in whatever phase, but they are usually assessed in metaphase, as Mjl717 said. With the use of cochicine you stop the cell spindle dragging of the chromatids to either pole of the cell.

  #4

If you want to look at your karyotype with a higher resolution you would use prometaphase instead of metaphase for example...
8)
BONUS QUESTION...in what cell cycle step would you do a fiber FISH? :?: :?: :?: :?:

  #5

"BumbleB" wrote:

BONUS QUESTION...in what cell cycle step would you do a fiber FISH? :?: :?: :?: :?:

I'd think of interphase.

  #6

"BumbleB" wrote:
If you want to look at your karyotype with a higher resolution you would use prometaphase instead of metaphase for example...
8)
BONUS QUESTION...in what cell cycle step would you do a fiber FISH? :?: :?: :?: :?:


To me sounds like a q for a cell & molecular biologist or cytologist not in Hi Yield Molecular or Kaplan Molecular and probably out of bounds for Step1.
[fiber FISH] :shock:

___________________
Smell the coffee! "Is That an Osler move??"

  #7

in what cell cycle step would you do a fiber FISH?
--interphase

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I hear and I forget. I see and I remember. I do and I understand.
--Confucius

  #8

Is anyone going to define a fiber FiSH?

___________________
Smell the coffee! "Is That an Osler move??"

  #9

Fiber FISH is done to image interphase chromatin...but you're right I doubt its gonna show up on the boards. Its just an alteration of FISH.







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