2nd Edition (Beery, 2019), Chapter 1-20
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Chapter 1: DNA Structure and Function
Multiple Choice
Identify the choice that best completes the statement or answers the question.
A. 1. In which body or cell area are most genes in humans located?
A. Nucleus
B. Mitochondrion
C. Cytoplasm
D. Plasma membrane
A. 2. Which condition or statement exemplifies the concept of genomics rather than genetics?
A. The gene for insulin is located on chromosome 11 in all people.
, B. Expression of any single gene is dependent on inheriting two alleles.
C. Sex-linked recessive disorders affect males more often than females.
D. One allele for each gene is inherited from the mother, and one is inherited
from thefather.
A. 3. What is the purpose of phosphorous in a DNA strand?
A. Linking the nucleotides into a strand
B. Holding complementary strands together
C. Ensuring that a purine is always paired with a pyrimidine
D. Preventing the separation of double-stranded DNA into single-stranded DNA
A. 4. What is the term used to define alternative forms of a gene that may result in different
expressionof the trait coded for by that gene?
A. Alleles
B. Bases
C. Centromeres
D. Diploids
D. 5. What percentage of bases in a stretch of double-stranded DNA that contains 30%
guanine (G)bases would be adenine (A)?
A. 70%
B. 60%