What is Mendel’s Law
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Law of Dominance
According to this law, characters are controlled by discrete units called factors, which occur in pairs with one member of the pair dominating over the other in a dissimilar pair. This law explains expression of only one of the parental character in F1 generation and expression of both in F2 generation.
Law of Segregation
This law states that the two alleles of a pair segregate or separate during gamete formation such that a gamete receives only one of the two factors. In homozygous parents, all gametes produced are similar; while in heterozygous parents, two kinds of gametes are produced in equal proportions.
Law of independent Assortment
When two pairs of traits are combined in a hybrid, one pair of character segregates independent of the other pair of character. In a dihybrid cross between two plants having round yellow (RRYY) and wrinkled green seeds (rryy), four types of gametes (RY, Ry, rY, ry) are produced. Each of these segregate independent of each other, each having a frequency of 25% of the total gametes produced.
According to this law, characters are controlled by discrete units called factors, which occur in pairs with one member of the pair dominating over the other in a dissimilar pair. This law explains expression of only one of the parental character in F1 generation and expression of both in F2 generation.
Law of Segregation
This law states that the two alleles of a pair segregate or separate during gamete formation such that a gamete receives only one of the two factors. In homozygous parents, all gametes produced are similar; while in heterozygous parents, two kinds of gametes are produced in equal proportions.
Law of independent Assortment
When two pairs of traits are combined in a hybrid, one pair of character segregates independent of the other pair of character. In a dihybrid cross between two plants having round yellow (RRYY) and wrinkled green seeds (rryy), four types of gametes (RY, Ry, rY, ry) are produced. Each of these segregate independent of each other, each having a frequency of 25% of the total gametes produced.
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There are three Mendel's law.
1.Mendels law of dominance---
It states that if a cross is made between plants with contrasting pairs of characters then the character that appears in the first generation is dominant and other is ressesive.
2.Law of segregation....
It states that allele pairs separate during gamete formation and randomly unite during fertilisation.
3. Law of independent assortment....
It states that allele pairs separate independently during the formation of gametes. Therefore traits are transmitted to offspring independently to one another.
1.Mendels law of dominance---
It states that if a cross is made between plants with contrasting pairs of characters then the character that appears in the first generation is dominant and other is ressesive.
2.Law of segregation....
It states that allele pairs separate during gamete formation and randomly unite during fertilisation.
3. Law of independent assortment....
It states that allele pairs separate independently during the formation of gametes. Therefore traits are transmitted to offspring independently to one another.
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