Multiple choice

Which human chromosome is the result of fusion of two ancestral ape chromosomes?

  1. Chromosome X

  2. Chromosome 2

  3. Chromosome Y

  4. Chromosome 1

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Human chromosome 2 is now known to be a result of an end-to-end fusion of two ancestral ape chromosomes. It is the second largest human chromosome.