Question

what is back cross and test cross

Answer 1

Back Cross:-
_________

When F1 progeny crossed with parents (both male&female) called back cross.

Test Cross:-
_________

When F1 progeny crossed with recessive parents called test cross.

Answer 2

Test cross is the mating process between the progeny and the recessive parent.A test cross involves breeding of a homozygous recessive to the isolated trait.


The back cross is between progeny and dominant or recessive . A back cross is the breeding of an F1 back to a homozygous individual (either dominant or recessive).