Gene for blue opsin is present on which chromosome?
Correct answer: D. 7
- A. 6
- B. 8
- C. 21
- D. 7
Explanation
d) 7: This option is correct. The gene for the blue opsin is located on chromosome 7 in humans. Opsins are proteins that are part of the visual pigments in the photoreceptor cells of the retina, and they are responsible for detecting different wavelengths of light, including blue light. The gene for the blue opsin is called OPN1SW and is located on chromosome 7.
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About Chromosomes
Chromosomes are DNA-protein structures that carry genes and become visible during cell division. Coverage includes chromatin, centromeres, sister chromatids, homologous chromosomes, chromosome number, and the distinction between diploid and haploid cells, with links to DNA replication, mitosis and meiosis.
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