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.
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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?
What will be an ideal response?
Type of bonding in which an atom loses or gains electrons:
A) Ionic B) Covalent C) London D) Hydrogen
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.
Why are K-selected species also known as equilibrium species?
What will be an ideal response?