Multiple alleles are common because


A) RNA is an informational molecule, and many sequences are possible for a particular gene.

B) proteins are informational molecules, and many amino acid sequences are possible.

C) a gene sequence can vary in different ways and still encode a functional protein.

D) there are many humans on the planet.


C) a gene sequence can vary in different ways and still encode a functional protein.

Biology & Microbiology

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Describe how scientists use fossil finds and radiometric dating to piece together evolutionary history. Why is this useful when scientists discover a missing link fossil?

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Type of bonding in which an atom loses or gains electrons:

A) Ionic B) Covalent C) London D) Hydrogen

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The genomes of mammalian mitochondria contain

A. genes whose products are used in translation of mRNA. B. genes for proteins used in oxidative phosphorylation. C. ribosomal genes. D. a total of 37 genes. E. All of the items listed are correct.

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Why are K-selected species also known as equilibrium species?

What will be an ideal response?

Biology & Microbiology