Principles of Inheritance and Variation Question 36
36. Test cross in plants or in Drosophila involves crossing
[2011M]
(a) between two genotypes with recessive trait
(b) between two $F_1$ hybrids
(c) the $F_1$ hybrid with a double recessive genotype.
(d) between two genotypes with dominant trait
Show Answer
Answer : c
Hints & Solution
(c) In test cross, genotype of an organism showing dominant phenotype is determined by crossing it with homozygous recessive genotype.
