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Explain mehdel law of inheritance in easy way plz exams are near |
| Answer» The Law of Dominance, Law of Segregation and Law of Independent Assortment are the three Mendel’s laws of inheritance. These laws came into existence by the experiments on pea plants in a variety of differing traits. Mendel started his research with monohybrid cross.Law of dominance explains that in a monohybrid cross between a pair of contrasting traits, only one parental character will be expressed in the F1 generation and both parental characters will be expressed in the F2 generation in the ratio 3:1. The one which expressed in the F1 generation is called the dominant trait and the one which is suppressed is called recessive trait. In simple words, the law of dominance states that recessive traits are always dominated or masked by the dominant trait.Law of segregation is the second law of inheritance. This law states that the pair of alleles segregates from each other during meiosiscell division (gamete formation) so that only one allele will be present in each gamete. In a monohybrid cross, both the alleles are expressed in the F2 generation without any blending. Thus, the law of segregation is based on the fact that each gamete contains only one allele. | |