Two examples of radioisotopes that can be used are carbon-14 to determine the age of fossils. Second, we can use iodine-131 to treat thyroid disease.
Answer: Phenotype= the set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.
Genotype= In a broad sense, the term "genotype" refers to the genetic makeup of an organism; in other words, it describes an organism's complete set of genes. Humans are diploid organisms, which means that they have two alleles at each genetic position, or locus, with one allele inherited from each parent.
Explanation:
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The main difference between deserts and steppes is the annual rainfall
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