Nondisjunction is the process
A. in which homologous chromosomes fail to segregate normally.
B. in which abnormal cytokinesis occurs.
C. in which metaphase is not allowed to occur.
D. described by two of these statements.
A. in which homologous chromosomes fail to segregate normally.
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Beta-lactam drugs are only effective against growing bacteria
Indicate whether this statement is true or false.
Refer to the accompanying figure. Which structure can be transferred to a different location in the embryo and still
cause differentiation of surrounding tissues? a. 1 b. 2 c. 5 d. 6 e. 8
pH 4 is ______________x more acidic than pH 7.
Fill in the blank(s) with the appropriate word(s).
Which of the following is not an important anatomical feature for determining if a fossil is a hominin?
A. flat face B. absence of sharp canines C. brain size D. bipedal posture E. absence of a chin