When alleles at a given locus on both chromosomes are identical they are

a. antithetical
b. indecipherable
c. heterozygous
d. homozygous


Answer: d

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All of the following are local contributing factors for periodontal diseases except one. Which one is the exception?

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_______________ is defined as ceasing therapies that prolong life so that death can occur

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If a woman ignores a lump in her breast and starts working overtime to avoid worrying about the lump, this is an example of the defense mechanism known as ____

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