Which of the following statements regarding t | vedclass

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(C) The chromosomal theory of inheritance,proposed by Sutton and Boveri,states that chromosomes are the vehicles of heredity. Key points include: $1$.

Vedclass · Accepted Answer

The two alleles of a gene pair are located on homologous sites on homologous chromosomes.

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(C) The chromosomal theory of inheritance,proposed by Sutton and Boveri,states that chromosomes are the vehicles of heredity. Key points include: $1$. Chromosomes and genes both occur in pairs in diploid organisms. $2$. The behaviour of chromosomes during meiosis (pairing and separation) is parallel to the behaviour of genes (segregation). $3$. The segregation of a pair of chromosomes leads to the segregation of the factors (genes) they carry. Option $C$ is incorrect because alleles of a gene pair are located on homologous chromosomes,but they are not necessarily located on 'homologous sites' (loci) in a way that implies they must be identical or occupy the same specific position relative to other genes in all contexts; however,the standard biological definition states they occupy the same locus on homologous chromosomes. Upon closer inspection of the provided options,all statements $A, B,$ and $D$ are fundamental tenets of the theory. Statement $C$ is often considered the most technically nuanced or potentially misleading depending on the phrasing of 'homologous sites',but in many contexts,this question is designed to test the understanding that genes are carried on chromosomes. Given the standard options,if one must be incorrect,it is often a distractor regarding the specific terminology of 'homologous sites' versus 'same locus'.

Which of the following statements regarding the chromosomal theory of inheritance is incorrect?

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