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A pure tall plant can be differentiated from a hybrid tall plant :
- a)By measuring length of plant
- b)By spraying gibberalins
- c)If all plants are tall after self-pollination
- d)If all plants are dwarf after self-pollination
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
A pure tall plant can be differentiated from a hybrid tall plant :a)By...
Explanation:
Self-pollination in pure tall plants:
- When a pure tall plant undergoes self-pollination, all its offspring will be tall. This is because the pure tall plant carries two dominant alleles for tallness (TT) and will pass on this trait to all its progeny.
Self-pollination in hybrid tall plants:
- When a hybrid tall plant undergoes self-pollination, it will produce offspring with varying heights. This is because the hybrid tall plant carries one dominant allele for tallness (T) and one recessive allele for dwarfness (t). The offspring can inherit different combinations of these alleles, resulting in some plants being tall and some being dwarf.
Therefore, by observing the outcome of self-pollination in plants, we can differentiate between a pure tall plant (where all offspring are tall) and a hybrid tall plant (where offspring have varying heights). This method is effective in determining the genetic purity of a tall plant.
Self-pollination in pure tall plants:
- When a pure tall plant undergoes self-pollination, all its offspring will be tall. This is because the pure tall plant carries two dominant alleles for tallness (TT) and will pass on this trait to all its progeny.
Self-pollination in hybrid tall plants:
- When a hybrid tall plant undergoes self-pollination, it will produce offspring with varying heights. This is because the hybrid tall plant carries one dominant allele for tallness (T) and one recessive allele for dwarfness (t). The offspring can inherit different combinations of these alleles, resulting in some plants being tall and some being dwarf.
Therefore, by observing the outcome of self-pollination in plants, we can differentiate between a pure tall plant (where all offspring are tall) and a hybrid tall plant (where offspring have varying heights). This method is effective in determining the genetic purity of a tall plant.
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A pure tall plant can be differentiated from a hybrid tall plant :a)By measuring length of plantb)By spraying gibberalinsc)If all plants are tall after self-pollinationd)If all plants are dwarf after self-pollinationCorrect answer is option 'C'. Can you explain this answer?
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