Question

On which observations law of Segregation is based ? ​

Answer 1

Answer:

The Principal of Segregation describes how pairs of gene variants are separated into reproductive cells. The segregation of gene variants, called alleles, and their corresponding traits was first observed by Gregor Mendel in 1865. Mendel was studying genetics by performing mating crosses in pea plants. He crossed two heterozygous pea plants, which means dat each plant had two different alleles at a particular genetic position. He discovered dat the traits in the offspring of his crosses did not always match the traits in the parental plants. This meant dat the pair of alleles encoding the traits in each parental plant had separated or segregated from one another during the formation of the reproductive cells. From his data, Mendel formulated the Principal of Segregation. We now know dat the segregation of genes occurs during meiosis in eukaryotes, which is a process dat produces reproductive cells called gametes.

Answer 2

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Mendel proposed the Law of Segregation after observing that pea plants with two different traits produced offspring that all expressed the dominant trait, but the following generation expressed the dominant and recessive traits in a 3:1 ratio.

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