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Which of the ...

Question

Which of the following statement for chromosomal theory of inheritance is incorrect?

A

Pairing and separation of a pair of chromosomes would lead to the segregation of a factor they carried

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B

Behaviour of chromosomes is parallel to the behaviour of genes

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C

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

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D

Chromosomes as well as genes occur in pairs

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Solution

The correct option is A Pairing and separation of a pair of chromosomes would lead to the segregation of a factor they carried
Answer is A.
During Anaphase of meiosis I, the two chromosome pairs can align at the metaphase plate independently of each other. Sutton and Boveri argued that the pairing and separation of a pair of chromosomes would lead to the segregation of a pair of factors they carried.

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