Crossing over is the exchange of genetic material between homologous chromosomes during meiosis, which leads to variation in offspring.
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प्रश्न
What is crossing over?
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उत्तर
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संबंधित प्रश्न
Linkage and crossing-over of genes are alternatives of each other. Justify with the help of an example.
Answer the following question.
Explain linkage and recombination as put forth by T.H. Morgan based on his observations with the Drosophila melanogaster crossing experiment.
The number of linkage groups of a particular species corresponds to its ______ number of chromosomes.
The distance between the genes is measured by ______.
Linkage reduces the frequency of ______.
Mr. Kapoor has Bb autosomal gene pair and d allele sex-linked. What shall be proportion of Bd in sperms?
After crossing two plants, the progenies are found to be male sterile. This phenomenon is found to be maternally inherited and is due to some genes which are present in ______.
When ‘Aa’ is crossed with ‘aa’, (A is dominant over a)
The percent crossing over is high when ______.
The strength of linkage between two genes is ______.
