Describe a genotype ratio for an offspring of Ww and WW?​

Since there are recessive offspring, the white parent must have carried the recessive allele and therefore had the heterozygous genotype, Ww. As a check, a cross of Ww x ww produces 50% white and 50% yellow in the F1 generation. ... In this question, the offspring phenotypes have a ratio of roughly 1:1:1:1.

Explanation: A genotypic ratio describes the number of times a particular genotype would occur in the offspring after a cross. Here, the resulting genotypic ratio of the new generation is 0:4:0 (RR:RW:WW), meaning all offspring will have the genotype RW.