Exam I key

1. c.
2. b.
3. b.
4. a. 
5. c
6. e
7. d
8. a
9. d
10. e
11. c
12. d
13. d
14. e
15. b

16.	leptotene
	zygotene
	pachytene
	diplotene
	diakinesis

17. 1/64

18.	mother: PpCc
	child 3: ppcc
	child 4: Ppcc
	chance that child 1 is heterozygote: 2/3

19.	yes
	no
	no
	no
	no

20- this question was removed from the exam, everyone 
got 8 points

short answer questions:
maternal effect
snail shell coiling
mother
F-factor
plasmid

bacterial genome: genes is order:  kupchella, gerber, 
pyle, carmichael, newman, meberg, laduke, schlosser, 
starcher, sheridan, cronin, kupchella...

3 point testcross:
parental chromosomes:  ct + + and + y v

genes in order:  y ct v or v ct y

distance between y and ct:  20 map units
distance between ct and v:  13 map units

coefficient of coincidence:  0.38
interference:  0.62

M & M question:
meiosis, metaphase II

extra credit:
no
meiosis I