1. a monohybrid cross involves a single parent, whereas a dihybrid cross involves two.
2. a monohybrid cross produces a single progeny, whereas a dihybrid cross produces two progeny
3. a monohybrid cross involves organisms that are heterozygous for a single character, whereas a dihybrid cross involves organisms that are heterozygous for two characters.
4. a monohybrid cross is performed only once, whereas a dihybrid cross is performed twice.
5. a monohybrid cross results in a 9:3:3:1 ratio whereas a dihybrid cross gives a 3:1 ratio