A purebred plant that has yellow flowers is crossed with a purebred plant that has white flowers. All the offspring have yellow flowers. Which conclusion about yellow flowers is supported by these results?

Yellow coloured flowers is a dominant trait because it is expressed even with the presence of white coloured flower trait. there is a dominant allele in all the offsprings

phenotypic ratio = all bear yellow flowers

genotypic ratio = all are heterozygous dominant.

The yellow color is dominant and the white is recessive.