Analysis of the Meiotic Segregation in Intergeneric Hybrids of Tilapias

Table 1

Description of the experimental families analysed, including the type of cross, the genetic origin of breeders (i.e., pure O. niloticus) (On) or S. melanotheron (Sm), and reciprocal 1st generation hybrid G1 (♀ On × ♂ Sm) and G′1 (♀ Sm × ♂ On) and the number of studied individuals.

Families	Type of crossing	Breeders		No. Ind.
		Female	Male
BC-A	Backcross	Hybrid Gl	O. niloticus	50
BC-B	Backcross	O. niloticus	Hybrid Gl	50
BC-C	Backcross	Hybrid G′l	O. niloticus	50
BC-D	Backcross	O. niloticus	Hybrid G′l	50
F2-A	Hybrid F2	Hybrid G′l	Hybrid G′l	50
F2-B	Hybrid F2	Hybrid Gl	Hybrid G′l	50
P-Sm	Pure Cross	S. melanotheron	S. melanotheron	50