The cellular machinery that replicates dna inserts an incorrect base a) most of the time b) about half the time c) roughly once on every million bases d) roughly once in every 10 million generations

Which codon is the code for the amino acid histidine (his)?

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.

What is the similarities and differences between bacteria and eukaryote?