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BIO NMDCAT Structure of DNA
nmdcat.online July 3, 2026

48. The specific position or physical site that a particular gene occupies along the length of a chromosome is called its

A. Allele
B. Locus
✓
C. Chiasma
D. Kinetochore

📝 Explanation

A locus refers to the fixed geographic coordinate or position where a gene or genetic marker resides on a chromosome.

📖 Additional Information

  • Allele
  • Locus
  • Chiasma
  • Kinetochore

A locus refers to the fixed geographic coordinate or position where a gene or genetic marker resides on a chromosome.

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