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WAEC Biology 2018 Question 44

Question 44

Chromosomes, DNA and Sex Linkage

Genes that remain linked are those

  1. A.close to each other on the chromosomes.
  2. B.on the same locus on the chromosomes.
  3. C.on the homologous chromosome.
  4. D.which are allelic pair.
Show the answer and explanation

Answer: A (close to each other on the chromosomes.)

Explanation

Genes that sit close together on the same chromosome are seldom separated by crossing over, so they are inherited together: they stay linked.