what is the difference of monohybrid and dihybrid cross??

Sagot :

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
Monohybrid Cross - involves 1 pair of contrasting traits 
while
Dihybrid Cross - involves 2 pairs of contrasting traits.