Question

Differentiate between dominant and recessive traits.(need 3-4 points)

Answer 1

●Dominant traits are those traits which are expressed even in the presence of one copy of an allele for a particular trait in the gene.
• For example: Yy shows the dominant trait for yellow color of seed.
• Seed is yellow even when single copy of dominant allele i.e. Y is present. 

●Recessive traits are those that are expressed only when two copies of an allele are present in the gene.
•For example: yy shows the recessive trait for green colour of the seed.
•It is expressed only when both the alleles are recessive i.e. y.

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Answer 2

Explanation:

Dominant : Dominant allele is the allele which expresses itself in a hybrid, where the members of a pair of alleles for the character are different.

Recessive: It is the allele which is suppressed (or does not express itself) in the hybrid, where the members of a pair of alleles for the character are different.