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प्रश्न
Explain the significance of a test cross.
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उत्तर
- It helps to determine whether individuals exhibiting dominant character are genotypically homozygous or heterozygous.
- The purity of the parents can be determined.
- It helps to determine the genotype of the individual.
- It has wide application in plant breeding experiments.
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संबंधित प्रश्न
Design a test-cross.
Explain the statement of
Test cross is back cross but back cross is not necessarily a test cross.
An individual produced during a cross between two pure plants differing in two pairs of contrasting characters is always ______
In order to achieve a dihybrid test cross, the F1 hybrid YyRr should be crossed will which one of the following genotypes?
A cross between Fl hybrid and its parent is called______.
Statement I - Back cross is the crossing of F1 - hybrid with one of the two parents from which they were derived.
Statement II - Test cross involves the crossing of F1 - hybrid with its homozygous recessive parent.
In light of above statements, choose the correct answer from the option given below.
When a test cross produces all offspring with the dominant phenotype, what can be concluded about the dominant parent's genotype?
What phenotypic ratio in test cross offspring indicates that the dominant parent is heterozygous (Tt)?
What is the expected genotypic ratio when an F₁ heterozygous individual (Tt) is back crossed with the homozygous dominant parent (TT)?
Based on test cross principles, if a tall plant consistently produces dwarf offspring when crossed with homozygous dwarf plants, what is the tall plant's genotype?
