The Comparison Between the Number of Human Genes and Those

Multiple Choice

The comparison between the number of human genes and those of other animal species has led to many conclusions, including that ________.

A) the density of the human genome is far higher than in most other animals
B) the number of proteins expressed by the human genome is far more than the number of its genes
C) most human DNA consists of genes for protein, tRNA, rRNA, and miRNA
D) the genomes of most other organisms are significantly smaller than the human genome