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Mendel's Experiments

When a tall P...

Question

When a tall Pea plant was self bred it produced one-fourth of the progeny as dwarf. Explain with the help of a cross.

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Solution

The tall pea plant that was selfed must be heterozygous in nature i.e having gametes T and t. The cross will be:
Tt X Tt results in 1 TT, 2 Tt, (all of which are tall plants ) and 1 tt, which will be the only dwarf plant.

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