Respond to statements 116–120 in reference to the five stages or
structures involved in the development of the human egg.
a. oogonium
b. primary oocyte
c. secondary oocyte
d. polar body
e. corpus luteum
M 116. This structure becomes the mature egg only after
fertilization is begun.
D 117. This structure contains the first sex cell stage to be in
the haploid state.
M 118. This structure contains a full haploid set of
chromosomes but will never be fertilized.
M 119. This structure divides by mitosis during the fetal
stages of development until all of the approximately
two million potential eggs have been formed.
D 120. This stage lies dormant between birth and puberty.
Answers: 116. c, 117. c, 118. d, 119. a, 120. b
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