When F1 hybrid is crossed with its recessive parent, it is called test cross. By test cross heterozygosity and homozygosity of the organism can be tested. It gives 1:1 ratio in monohybrid and 1:1:1:1 ratio in dihybrid condition. In presence of linkage the ratio varies from this.
A test cross is carried out to
NEET UG 2012 — Zoology Principles of Inheritance and Variation
2012mcqmedium
A test cross is carried out to
Official previous-year question
Held on 30 Apr 2012 · Verified 9 Jul 2026.
Options
- A
determine the genotype of a plant at F2
- B
predict whether two traits are linked
- C
assess the number of alleles of a gene
- D
determine whether two species or varieties will breed successfully
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