Which of the Following Is Not Supported by Dalton's Atomic

question 87

Multiple Choice

Which of the following is not supported by Dalton's Atomic Theory?

• A)atoms
• B)isotopes
• C)compounds
• D)elements

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Definitions:

Gene Targeting

A genetic technique that uses homologous recombination to modify the DNA of a gene to study its function or create a desired mutation.

Homozygous

Referring to an organism possessing two identical alleles for a specific gene, resulting in a uniform expression of that genetic trait.

Down Syndrome

An inherited condition in which individuals have abnormalities of the face, eyelids, tongue, and other parts of the body and exhibit physical and intellectual disability; usually results from trisomy of chromosome 21.

Trisomic

A genetic condition characterized by having three copies of a particular chromosome instead of the normal two.