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Question
The term 'crossing over' was introduced by
The term 'crossing over' was introduced by
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Solution
The correct option is B Morgan and Castle
Crossing over is the exchange of sections between pairing homologous chromosomes during the diplotene stage of meiosis. It results in the rearrangement of genes and produces variation in the inherited characteristics of the offspring. Thomas Hunt Morgan was an American evolutionary biologist and science author who won Nobel prize in Medicine 1933 for discoveries elucidating the role that the chromosome plays in heredity. Following the rediscovery of Mendelian inheritance in 1900, Morgan's research moved to the study of mutation in the fruit fly Drosophila melanogaster. Castle argued that Morgan and colleagues' assumptions regarding the organization of genes along a chromosome were 'absurd'. Thus, the correct answer is option B.
Crossing over is the exchange of sections between pairing homologous chromosomes during the diplotene stage of meiosis. It results in the rearrangement of genes and produces variation in the inherited characteristics of the offspring. Thomas Hunt Morgan was an American evolutionary biologist and science author who won Nobel prize in Medicine 1933 for discoveries elucidating the role that the chromosome plays in heredity. Following the rediscovery of Mendelian inheritance in 1900, Morgan's research moved to the study of mutation in the fruit fly Drosophila melanogaster. Castle argued that Morgan and colleagues' assumptions regarding the organization of genes along a chromosome were 'absurd'. Thus, the correct answer is option B.
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