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Table 2 Simulated crosses of Lake Malawi cichlids produce transgression at appreciable frequencies.

From: Hybridization produces novelty when the mapping of form to function is many to one

Species

TG F2?

% TG

Cynotilapia afra × Pseudotropheus elongatus

H/L

29

Protomelas fenestratus × Protomelas ornatus

H/L

32

Chilotilapia rhoadesii × Maravichromis subocularis

H/L

14.5

Copadichromis quadrimaculatus × Corematodus taeniatus

H

1

Cynotilapia afra × Metriaclima zebra

H/L

22

Protomelas ornatus × Protomelas taeniolatus

H/L

8

Protomelas spilopterus 'blue' × Protomelas fenestratus

H/L

21

Copadichromis virginalis × Chilotilapia rhoadesii

H

20

Petrotilapia nigra × Pseudotropheus elongatus

H/L

29

Metriaclima zebra × Labeotropheus trewavasae

H/L

9.2

Nimbochromis polystigma × Chilotilapia rhoadesii

H/L

31

Pseudotropheus elongatus × Labeotropheus fuelleborni

H

0.1

Metriaclima zebra × Pseudotropheus elongatus

H/L

34

Copadichromis mloto × Otopharynx picta

H

0.1

Labidochromis vellicans × Pseudotropheus elongatus

H/L

19

Ps. Tropheops 'orange chest' × Ps. Tropheus 'red cheek'

H

0.1

Copadichromis quadrimaculatus × Dimidochromis compressiceps

NO

 

Copadichromis virginalis × Lethrinops altus

NO

 

Copadichromis virginalis × Tyrannochromis macrostoma

NO

 

Ps. Tropheops 'orange chest' × Labeotropheus fuelleborni

NO

 
  1. Transgressive (TG) individuals exhibit kinematic transmission (KT) at least one SD either side of the mean from the distribution of hybrid KT values. H/L indicates whether transgression occurs with values higher and lower than the parents.