What are two forms of selection other than overdominance that could maintain genetic variation within populations? How might one other evolutionary force (besides selection) contribute to such variation? Briefly explain your answer.

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

What is the difference between an igneous, sedimentary and metamorphic rock

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