Question

a blue coloured flower by BB is crossed with white coloured flower which is denoted by bb state the colour of the flower you expect in f1 generation % of white in f1

Answer 1

we will get f1 generation as Bb

its genotype will be Bb

and phenotype will be heterozygous blue coloured flowers

therefore there will be no white coloured flowers hence the white coloured flowers will be 0%