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Biology · PRINCIPLES OF INHERITANCE AND VARIATION
हिन्दीRefer to the test cross concept described in NCERT. When a violet-flowered pea plant of unknown genotype is crossed with a white-flowered plant (\( vv \)) and all resulting offspring produce violet flowers, what is the genotype and phenotype interpretation of the unknown parent?
Correct answer · Option 2
Homozygous dominant (\( VV \))
Explanation
If 100% of the test cross progeny show the dominant trait (violet flowers), the dominant test organism is homozygous dominant (\( VV \)). If it were heterozygous (\( Vv \)), 50% would be violet and 50% white.
