Differentiate between Mendel’s monohybrid cross and dihybrid cross.
|Monohybrid Cross||Dihybrid Cross|
|A cross between two pure organisms to study the inheritance of a single pair of contrasting characters.||A cross between two pure organisms to study the inheritance of two pairs of contrasting characters.|
|It produces a phenotypic monohybrid ratio 3:1 in the F2 generation.||It produces a phenotypic dihybrid ratio 9:3:3:1 in the F2 generation.|
|It produces a genotypic ratio 1:2:1 in the F2 generation.||It produces a genotypic ratio 1:2:1:2:4:2:1:2:1 in the F2 generation.|
|Example: Cross between tall and dwarf pea plants||Example: Cross of pea plants with round and yellow seeds and plants with wrinkled and green seeds|
Concept: Mendel’s Laws of Inheritance
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