Exam 1: DNA Structure and Function

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A person's karyotype shows 44 autosomes and one X chromosome. What is the best interpretation of this karyotype?

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What is the purpose of a chromosome centromere?

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Which chromosome number represents the euploid state for normal human somatic cells?

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What activity occurs during M phase of the cell cycle?

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What percentage of bases in a stretch of double-stranded DNA that contains 30% guanine (G) bases would be adenine (A)?

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At what phase of the cell cycle are chromosomes visible as separate structures?

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What would be the sequence of DNA that is complementary to a DNA section with the base sequence of GGTCAATCCTTAG?

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Which statement regarding chromosome structure or function is true?

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What is the term used to describe the organized picture of the paired chromosomes within a cell used to determine whether chromosome numbers, structures, and bandingpatterns are normal?

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Under what normal condition are genotype and phenotype always the same?

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What are the expected expressed blood types of children born to a mother who is B/O for blood type and a father who is A/B for blood type?

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Which statement about the cell cycle phase of G0 is true?

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What is the result of normal DNA replication?

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What would be the expected result of a drug that affected a particular tissue by causing new DNA to form with covalent bonds instead of hydrogen bonds?

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Why does a person with normal chromosomes only have two alleles for any single gene trait?

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What is the term used to define alternative forms of a gene that may result in different expression of the trait coded for by that gene?

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How does the DNA enzyme topoisomerase contribute to DNA replication?

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Which condition or statement exemplifies the concept of genomics rather than genetics?

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What is the most outstanding feature of a mature haploid cell?

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Where is telomeric DNA located?

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