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Embro & Repro - GC > Cell-free DNA Testing COPY > Flashcards

Cell-free DNA Testing COPY Flashcards

1
Q

What condiitons does cell free DNA test for?

A

trisomy 21
trisomy 18
trisomy 13
sex chromosome aneuploidies
triploidy

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2
Q

What layer of the blastocyst becomes the placenta?

A

trophoblast

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3
Q

What embryonic layer will end up in the maternal blood stream?

A

syncytiotophoblast

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4
Q

What doesMPSS (massively parallel sequencing) cell free DNA testing use as a template?

A

chromosome 9 of the fetus

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5
Q

What does SNP based cell free DNA testing use as a template?

A

Mom

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6
Q

cfDNA positive predictive value for all conditions except 45,X increases with

A

increasing maternal age

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Embro & Repro - GC (7 decks)

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