3. Extensions to Mendelian Inheritance
Epistasis and Complementation
2:36 minutes
Problem 24b
Textbook Question
Textbook QuestionBlue flower color is produced in a species of morning glories when dominant alleles are present at two gene loci, A and B. (Plants with the genotype have blue flowers.) Purple flowers result when a dominant allele is present at only one of the two gene loci, A or B. (Plants with the genotypes and are purple.) Flowers are red when the plant is homozygous recessive for each gene (i.e., aabb).
If two F₁ plants are crossed, what are the expected phenotypes and frequencies in the F₂?
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