mention any two contrasting traits noted by mendel in garden pea plant.show mendels monohybrid cross using any one of those traits.
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INTRODUCTION;Mendel had chosen 7 pairs of contrasting characters like Flower color ,flower position ,seed colour,seed shape ,pod shape ,pod color and stem length .
Mendel Monohybrid cross by using one constrasting character is
.Cross pollinating a pure breed of yellow(YY) and green (yy)
.In First filail generation all pea seeds were yellow .
.Second filail generation he self pollinated and he found 75%yellow and 25%green pea seeds
.Third filial generation he self pollinated and he found 25% green(YY),50%green (Yy) 25% Yellow(yy).
.So by this he observe that LAW OF DOMINANCE(expressed traits) and the recessive traits
Mendel Monohybrid cross by using one constrasting character is
.Cross pollinating a pure breed of yellow(YY) and green (yy)
.In First filail generation all pea seeds were yellow .
.Second filail generation he self pollinated and he found 75%yellow and 25%green pea seeds
.Third filial generation he self pollinated and he found 25% green(YY),50%green (Yy) 25% Yellow(yy).
.So by this he observe that LAW OF DOMINANCE(expressed traits) and the recessive traits
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38
The two contrasting trait observed by Mendel for height of plant were tall and dwarf, for color of pod were yellow and green. The example of such cross for height of pea plant is given below
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