When experimenting with factor of tallness in Pisum sativum, Mendel obtained results 73.97% tall and

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4.Principles of Inheritance and Variation

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When experimenting with the factor of tallness in Pisum sativum, Mendel obtained the results $73.97\%$ tall and $26.03\%$ dwarf from one of the cross. This shows that the parents are

A

Hybrid tall and pure dwarf plant

B

Hybrid tall and pure tall plant

C

Hybrid tall and hybird tall plant

D

Pure tall and pure dwarf plant

Solution

(c) Tall and dwarf plants in the ratio of $3 : 1$ are obtained only when the parents are hybrid tall.

$Tt × Tt = TT, Tt, tT, tt = 3 : 1$

Standard 12

Biology

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