Gamete genotype frequencies calculated from genetic linkage data

(a) Gamete frequencies predicted from a map of two linked genes. (b) Gamete frequencies predicted from a map of three linked genes assuming interference is zero (I = 0)(a) Gamete frequencies predicted from a map of two linked genes. (b) Gamete frequencies predicted from a map of three linked genes assuming interference is zero (I = 0)

Gamete r: 0.10 '_l_‘ AB Fab 1 -. a b Meiosis and gamete production Frequency (%)(0.90) = 0.45 (%)(0.90) = 0.45 (%)(0.10) = 0.05 (£)(0.10) = 0.05 1 .00 Type :|' Parental :|—Recombinant (b) Gamete C > no aegeaege m 11> m 0‘ 0‘ O n n ]> n i l COIW Q) C‘ in '1 )> 0‘ m l l i I y I I Q.) U: (3 r=0.10 r=O.20 Aha AB C as F‘—. a b c Meiosis and gamete production Frequency ( g) (0.9) (0.8) = 0.36 ( g) (0.9) (0.8) = 0.36 (£) (0.1) (0.8) = 0.04 G) (0.1) (0.8) = 0.04 ( %) (0.9) (0.2) = 0.09 ( i) (0.9) (0.2) = 0.09 (%) (0.1) (0.2) = 0.01 (%) (0.1) (0.2) = 0.01 1.00 Type Parental Single recombinant (a-b) Single recombinant (b-c) Double recombinant