Material about Chromosomes and Meiosis in Inheritance – In 1902, an American scholar, alter Sutton and a German biologist, Theodor Boveri separately found a relationship between meiotic division and Mendelian patterns of inheritance. They observed that the chromosomes in meiotic division behaved similarly to the behavior of the genes described by Mendel.
Sutton studied grasshopper testicular cells and found that the chromosomes separated during meiosis. Genes rearrange and cluster randomly. Through careful observation, Sutton and Boveri proposed the chromosomal theory of inheritance of traits. According to this theory, chromosomes carry Mendelian heredity units (genes). This unit of heredity separates and rearranges in meiosis and fertilization. Look at the following picture.
The image shows the movement of chromosomes during meiosis and how genes are shared during gamete formation. The male parent of the P . generation1 give the Y and R alleles, while the female parent gives the y and r alleles to F . body cells1. Individual F1 will mature and produce gametes.
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