168 CHAPTER 20 



PARENTAL GAMETES 



^^^^^^^^^^^^ 



GAMETES PRODUCED 



FIGURE 20-8. Manner oj chromosome segregation during meiosis o/ Oenothera. 



Figure 20-9. Circle and pair arrangements possible for Oenothera chromosomes. 



/ 



Q 14 Q 10 , 2 Pairs 



QlO ,0 ^ O 6 ♦O^ ' 2 Pairs 



G 2 »0 ^ O ^ » ^''°'" 



Q 12 , 1 Pair O ^ » '^ ^°''"^ 



Q 8 , Q 4 , 1 Pair O "* » ^ ''°'" 



Q 6 , Q 6 , 1 Pair 7 Pairs 



O"* »0 4 »0 ^ » 1 P°'^ QzCIRCLE 



