Question

Explain mendel's experiment with pea's on inheritance of character considering only one visible contrating chracter

Answer 1

Mendel chose to study seven different characters in pea plants. ... He crossed a variety of pea plant carrying a particular trait (e.g., tallness) of a character (such as height) with another variety having a contrasting trait (e.g., dwarfness) of the same character.

Answer 2

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Mendel crossed tall pea plants with dwarf pea plants :

T : For the tallness and it is Dominant.

t  : For the dwarfness and it is Recessive.

Parents               :     ( TT )                       ×                       ( tt )

                             Pure tall plant                           Pure short plant

F₁ generation     :    ( Tt )     ( Tt )                                    ( Tt )    ( Tt )

                             

         

Selfing of F₁       :           ( Tt )                    ×                          ( Tt )

F₂ generation    :     ( TT )  ( Tt )                                    ( Tt )      ( tt )

OBSERVATION :

• F₁generation - No ' medium - height ' plants were there.

• All plants were tall. Only one of the parental traits was seen, not some mixture of the two.

                           

 

• F₂ progeny - Not all plants were tall. One quarter of them were short. This indicates that both the tallness and shortness traits were inherited in the F₁ plants, but only the tallness trait was expressed.

• Mendel proposed that something was being passed unchanged from generation to generation which we called " father ". Factors contain and carry hereditary information.