In a normal dihybrid cross, alleles are independently assorted. Where genes are linked on the same chromosome, some phenotypes are impossible. e.g. SN SsNn ssnn Ssnn, sn SsNn ssNn This format will be used in examination papers, or students will be given sufficient information to allow them to deduce which alleles are linked. sn ssnn or As a member, you'll also get unlimited access to over 79,000 lessons in math, English, science, history, and more. Plus, get practice tests, quizzes, and personalized coaching to help you succeed.
A dihybrid cross is a breeding experiment between P generation (parental generation) organisms that differ in two traits. The individuals in this type of cross are homozygous for a specific trait or they share one trait. Traits are characteristics that are determined by segments of DNA called genes. Ask your doubt of dihybrid cross and get answer from subject experts and students on TopperLearning.