Given the following sequence of genes on a chromosome, determine what change in chromosome structure occurred. (the * indicates the centromere)
before A B C D * E F G H
after A B C D * E F E F G H
A. Terminal deficiency
B. Interstitial deficiency
C. Inversion
D. Gene duplication
D
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Mitochondria and chloroplasts have genomes that have evolved from the nuclear genomes in eukaryotes
Indicate whether the statement is true or false
In plants, primary growth occurs at a growing center called a(n)
A. cork cambium. B. apical meristem. C. vascular cambium. D. lateral meristem.
Prokaryotic operons typically include a(n) ________ and a(n) ________ with multiple genes
A) operator; terminator B) operator; promoter C) promoter; repressor D) inducer; repressor E) CAP-binding site; inducer
Restriction enzymes:
A. are found in a wide variety of mammalian cell types. B. cleave invading bacterial DNA. C. always produce sticky ends. D. typically cleave at palindromic sequences 4–8 base pairs long. E. are necessary for joining two DNA fragments together.