TABLE 4

MAT-KAN and HYG-KAN map distances among crossovers and noncrossovers in the adjacent KAN-HIS4-NAT interval in tetrads with 6:2, 5:3, or normal 4:4 segregation for HIS4

Event in KAN-HIS4-NAT intervalMAT-KANa distance (cM); PD/NPD/TTHYG-KANb distance (cM); PD/NPD/TT
Crossovers plus noncrossovers36.7 ± 1.1; 1042/76/13775.1 ± 0.4; 2185/4/223
Crossovers30.8 ± 2.4c; 225/11/2062.8 ± 0.6c; 760/2/33
Noncrossovers38.0 ± 1.2; 817/65/11716.3 ± 0.5; 1425/2/190
4:4 crossovers29.3 ± 2.3cd; 193/7/1811.9 ± 0.4cd; 530/0/21
4:4 noncrossovers37.6 ± 1.2; 792/60/11306.3 ± 0.5; 1256/1/175
Conversion crossovers40.2 ± 9.3; 32/4/254.9 ± 1.9; 230/2/12
Conversion noncrossovers50.0 ± 8.6; 25/5/415.7 ± 1.9; 169/1/15
6:2 crossovers20.8 ± 5.0ce; 14/0/101.4 ± 0.9c; 72/0/2
6:2 noncrossovers66.7 ± 20.0; 4/2/1210.9 ± 9.3; 30/1/1
5:3 crossovers52.7 ± 14.7f; 18/4/156.5 ± 2.6; 158/2/10
5:3 noncrossovers44.3 ± 9.2; 21/3/294.6 ± 1.2; 139/0/14
  • Significance (P ≤ 0.05) was determined as described in materials and methods.

  • a Rine background: normal 4:4 for MAT, KAN, NAT.

  • b Petes background: normal 4:4 for HYG, KAN, NAT.

  • c Significantly different from total classifiable tetrads and from total noncrossovers.

  • d Significantly different from 4:4 noncrossovers.

  • e Significantly different from 6:2 noncrossovers.

  • f Significantly different from 6:2 crossovers.