1. about how long are these 12s genes in terms of the number of nucleotides

2. is it surprising that these genes would be of such similar lengths despite being from different species ? explain.

1. The nucleotide triplet that encodes an amino acid is called a codon. Each group of three nucleotides encodes one amino acid. Since there are 64 combinations of 4 nucleotides taken three at a time and only 20 amino acids, the code is degenerate (more than one codon per amino acid, in most cases).

2. The human genome is the complete set of nucleic acid sequence for humans (Homo sapiens), encoded as DNA within the 23 chromosome pairs in cell nuclei and in a small DNA molecule found within individual mitochondria. Human genomes include both protein-coding DNA genes and noncoding DNA.

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What are the choices

There are  advantages  to being  multicellular  rather than unicellular. these include allowing: the  organism  to be larger.