Summer squash plants with the dominant allele c bear white fruit, whereas plants homozygous for the recessive allele c bear colored fruit. when the fruit is colored, the dominant allele g causes it to be yellow; in the absence of this allele (that is with genotype gg), the fruit color is green. what will the ratio of white to yellow to green fruit be in a cross between two double heterozygous plants (ccgg x ccgg)