The genotype of a species with respect to a particular trait can be determined by carrying out
a back cross with a pure stock known to be recessive for that trait
a cross between two F generations that are heterozygous for the trait
a testcross with a pure stock known to be dominant for the trait
in-breeding among the members of the species
out-breeding with an exotic variety of the species
Correct answer is A
No explanation has been provided for this answer.