2-17-17

Question 1

egg polarity genes

Answer 1

bicoid

Question 2

gap gene

Answer 2

hunchback

Question 3

pair-rule genes

Answer 3

even-skipped (eve), fushi tarazu (ftz)

Question 4

segment polarity genes

Answer 4

engrailed (en)

Question 5

maternal genes

Answer 5

polarize the embryo in the DV and AP axes

Question 6

homeotic genes

Answer 6

encode transcription factors that confer different fates upon repeating body segments

Question 7

kruppel is a ____ gene

Answer 7

gap gene

Question 8

what happens when you’re missing a gap gene

Answer 8

the extension of the thorax/abdomen is missing, you get an anterior on a posterior

Question 9

domains of gap gene expression _______, creating different combinations of regulators

Answer 9

overlap

Question 10

pair-rule gene function

Answer 10

even-skipped (eve), fushi tarazu (ftz)

Question 11

phenotypes of pair-rule mutants

Answer 11

runt, hairy ftz, eve

Question 12

eve knocked out

Answer 12

missing evens

Question 13

ftz knocked out

Answer 13

missing odd abdominals and even thoracic

Question 14

reporter construct can be used to identify _____

Answer 14

enhancers