TABLE 5

Tetrad types for conversions at met13

ade5-KANKAN-lys5lys5-NATHPH-cyh2cyh2-crl3crl3-trp5trp5-leu1
Among 145
   crossovers (cM)a33:106:4
 (45.5 ± 4.0)103:40:0
 (14.0 ± 1.9)124:20:0
 (6.9 ± 1.4)132:11:1
 (5.9 ± 2.3)69:68:7
 (38.2 ± 5.3)81:64:0
 (22.1 ± 2.1) 92:51:1
 (19.8 ± 2.8)
Among 166
   noncrossovers (cM)a52:100:9
 (47.8 ± 5.2)105:55:0
 (17.2 ± 1.9)114:48:2
 (18.3 ± 3.0)143:22:1
 (8.4 ± 2.2)53:109:2
 (36.9 ± 2.9)98:65:1
 (21.7 ± 2.6)121:42:2
 (16.4 ± 3.0)
χ2 P0.070.280.00090.180.00750.570.095
Significant SE (cM)bNoNoYesNoNoNoNo
  • a Centimorgans were calculated as in Table 1.

  • b Significance of the difference between the estimated map lengths for the crossover and the noncrossover met13 conversions (see materials and methods).