In 2001, two groups of researchers announced their successful completion of draft sequences of the human genome. Which statement about these draft sequences is true?
A) The publicly funded team used a whole-genome shotgun sequencing approach.
B) The Celera Genomics team used an approach that had also been used to sequence the yeast and C. elegans genomes.
C) Both groups reported sequences amounting to five megabases.
D) Both groups presented draft sequences that cover only the euchromatin portion of the genome.

Question

Quizplus · Accepted Answer

Both groups presented draft sequences that primarily covered the euchromatin portions of the genome, which are the regions rich in genes and actively transcribed, as opposed to heterochromatin, which is more densely packed and less gene-rich.

In 2001, Two Groups of Researchers Announced Their Successful Completion