An F₂ of a trihybrid cross will give which of the following phenotypic ratios?

✅ Explanation:
-A trihybrid cross is a cross between two individuals that are heterozygous for three different genes. The phenotypic ratio of the F₂ generation of a trihybrid cross can be predicted using the principle of independent assortment.

• Key Concepts:
-Trihybrid cross: A cross between two individuals that are heterozygous for three different genes.
-Independent assortment: The principle that the segregation of alleles from different genes occurs independently of each other during meiosis.
The number of different genotypes that can be produced in the F₂ generation of a trihybrid cross is 23=82^3 = 823=8.
-9:3:3:1: This ratio is produced if all three genes are dominant.
-1:4:6:4:1: This ratio is produced if all three genes are codominant.
-27:9:9:9:3:3:1:1: This ratio is produced if one gene is dominant, one gene is codominant, and one gene is recessive.