What would be the proportion of dwarf plant with pink flowers. If heterozygous tall plant with pink flower is test crossed? A plant taken for test cross character of length showing complete dominance and character of flower colour showing incomplete dominance

Answers (1)

Heterozygous tall plant with pink flower is test crossed with homozygous recessive partner, as a result of which different phenotypes are produced in the F1 offspring. The cross is between TtPp and ttpp which is shown in the Punnett Square.

 

 Male/Female  TP Tp  tP  tp 
 tp  TtPp  Ttpp  ttPp ttpp 

The percentage of dwarf plant with pink flowers (ttPp) is thus 4/16 or 1/4.

So the correct option is '4/16'.

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