Embryology + Genetics

Question 1

Which duct does the male duct system originate from

Answer 1

mesonephric ducts

Question 2

which duct does the female duct system originate from

Answer 2

paramesonephric ducts

Question 3

what do the paramesonephric ducts form to fuse

Answer 3

broad ligament of the uterus

Question 4

What structure controls the descent of the testes to the scrotum

Answer 4

Gubernaculum

Question 5

what is the role of the gubernaculum in the female

Answer 5

pulls ovaries into the peritoneal fold

Question 6

what is the common origin of the urinary, GI and reproductive systems

Answer 6

cloaca

Question 7

cloacal folds fuse cranially to form what structure

Answer 7

genital tubercle

Question 8

what do the cloacal folds divide to form

Answer 8

urethral + anal folds

Question 9

what is a mutation

Answer 9

genetic change that causes disease

Question 10

what is a polymorphism

Answer 10

genetic variation, does not always cause disease

Question 11

what is a copy number polymorphism

Answer 11

insertions/deletions of DNA segments

Question 12

when is FISH used

Answer 12

for when a missing bit of chromosome is too small to see

Question 13

what is QF-PCR used for

Answer 13

rapid counting of specific chromosomes

Question 14

what test is used to detect trisomy

Answer 14

aCGH

Question 15

what is an unbalanced chromosome rearrangement

Answer 15

extra/missing material

Question 16

what is a robertsonian translocation

Answer 16

two acrocentric chromosomes stuck end to end

Acrocentric= centromere located near the end of the chromosome