Question

Mention any two contrasting traits noted by mendel in garden pea plant.show mendel's monomybrid cross using any one of those traits.

Answer 1

There were 7 contrasting characters that Mendel had noted in pea plants out of them 2 are :

Dominant Recessive

1). Tall. Short

2) axial flowers. Terminal flowers

Monohybrid cross :- ( with short and tall)

Male = TT ( homozygous tall)

Female = tt ( homozygous short)

F1 generation:-

Male xx Female

TT xx tt

\. /

\. /

Tt

F2 generation:-

Tt xx Tt

T. t

________

T |. TT | Tt |

|.____|____|

t |. Tt | tt |

Genotype = 1:2:1

Phenotype = tall : short

= 3:1