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in sweet peas gene C and P are necessary for color in flowers. the flower are white in absence of either or both the genes. what will be the percentage of coloured flowers in the off spring of the cross Ccpp x ccPp? 75% 25% 100% 50%

in sweet peas gene C and P are necessary for color in flowers. the flower are white in absence of either or both the genes. what will be the percentage of coloured flowers in the off spring of the cross Ccpp x ccPp?
  1. 75%
  2. 25%
  3. 100%
  4. 50%

Grade:12th pass

1 Answers

Apoorva Arora IIT Roorkee
askIITians Faculty 181 Points
9 years ago
If we talk of the probabilities of the gamete formed
Ccpp will form Cp and cp
ccPp will form cP and cp

So the cross will result in 4 type of progenies
CcPp
Ccpp
ccPp
ccpp


hence 25% of the flowers will be coloured.

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