When two genes are involved in the outcome of one characteristic, a dihybrid cross involving these genes can produce a phenotypic ratio very different from 9:3:3:1. Under these circumstances, there are more than two gene products affecting the same phenotype, and these products may have comple...
Which phenotypic ratio would be seen in a cross where one gene is involved, it has a completely dominant allele, one parent is homozygous recessive, and the other parent is heterozygous? Explain the answer. What is epistasis? What is the difference between dominant epistasis and recessive epis...
Consistent Ratio of 3 to 1 Mendel observed that if he bred a pea plant with yellow seeds with a pea plant with green seeds together, all of their offspring had yellow seeds. When he crossbred the offspring, however, 25 percent of the next generation had green seeds. He realized that the...
A) What is the phenotypic ratio for the F1 generation? B) Cross How are allele frequencies related to gene pools? Purple flowers are dominant to white flowers and round seeds are dominant to wrinkled seeds. A pea plant...
Give the dihybrid ratio and the phenotype of the offsprings of the F-2generation, when two plants of the F-1generation are crossed. Q. A homozygous tall plant (T) bearing red-colored (R) flowers is crossed with the homozygous dwarf plant (t) bearing white flowers (r...