Feather color in a certain species of bird is controlled by…

Feather color in a certain species of bird is controlled by a pair of alleles that exhibit incomplete dominance. If birds that are homozygous for one allele are black and birds that are homozygous for the other allele are white, then heterozygous birds would be:

The leaf color of a certain plant is controlled by one gene….

The leaf color of a certain plant is controlled by one gene. For that gene, the allele G = orange and g = green. You have a plant with orange leaves but do not know whether that plant’s genotype is GG or Gg. Which of the following would help you determine the plant’s genotype?