Q. 20

How are dominance

Answer :

In Dominance type of inheritance one of the alleles represents itself in F2 generation with a ratio of 4:1 and is expressed even in heterozygous condition. e.g. Tall(T), Axial (A), etc. In Codominance both alleles are expressed and in codominance F1 generation resembles both of the parents. E.g. blood group, etc.

In Incomplete Dominance the progeny resembles neither of the parent. E.g. as in dragon flower when a red flower is crossed with white flower the progeny obtained is of pink flowers and do not resemble either of the parents.

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