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Simon Marweyi
Apr 11

Explain in detail, what is meant by mandelian genetics?

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Apr 11
Mendelian genetics refers to the principles of inheritance first described by Gregor Mendel in the 19th century. Mendel's work laid the foundation for the field of genetics and revolutionized our understanding of how traits are passed down from parents to offspring.

Mendel conducted his experiments with pea plants, studying the inheritance of traits such as flower color, seed shape, and plant height. He observed that certain traits appeared to be dominant over others, and that these traits were passed down in predictable patterns from one generation to the next.

Mendel's key principles of inheritance include:

1. Principle of segregation: Each individual has two copies of each gene, one inherited from each parent. These copies segregate during gamete formation, with each gamete receiving only one copy of each gene.

2. Principle of independent assortment: Genes for different traits are inherited independently of each other, meaning that the inheritance of one trait does not affect the inheritance of another.

3. Principle of dominance: In a heterozygous individual (one with two different alleles for a gene), one allele is dominant and determines the phenotype, while the other allele is recessive and has no effect on the phenotype.

These principles of Mendelian genetics have been confirmed and expanded upon by modern genetic research, but they remain fundamental to our understanding of how traits are inherited in all organisms. Mendelian genetics provides a framework for predicting the outcomes of genetic crosses and understanding the genetic basis of inherited traits.

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