Question

Define Law Of Segregation​

Answer 1

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Law of segregation states that allele pairs separate or or segregate  during gamete formation and randomly unite at fertilization.

The allele that contains the dominant trait determines the phenotype of the offspring.

Law of segregation is also known as Mendels law.

Mendel's studies yielded three "laws" :

• the law of dominance,
• the law of segregation
• law of independent assortment.
• Law of Purity of Gametes

As chromosomes separate into different gametes during meiosis, the two different alleles for a particular gene also segregate so that each gamete acquires one of the two alleles.

Mendel's third law (Law of dominance) states that one of the factors for a pair of inherited traits will be dominant and the other recessive, unless both factors are recessive.

Law of segregation, states that allele pairs separate or segregate during gamete formation and randomly unite at fertilization.

Mendel's law of independent assortment states that the alleles of two (or more) different genes get sorted into gametes independently of one another.

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Answer 2

Mendel's law of Segregation (or Law of purity of gametes) :

The two alleles of a gene when present together in a hetero-zygote state, do not fuse or blend in anyway, but remain distinct and segregate during meiosis or in the formation of gametes so that each meiotic product or gamete will carry only one of them.

This law is based on the fact that the alleles do not show any blending and that both the characters are recovered as such in the F₂ generation though one of these is not seen at the F₁ stage.

Segregation of genes is a universal phenomenon in all organisms reproducing by normal sexual method.