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Meiosis in Males and Females

Description
TABLE 7.3 A Comparison of the Duration of Meiosis in Males and Females
Spermatogonium
Primary
spermatocyte
Secondary
spermatocyte
Spermatid
1/
Mature sperm
Total time
}
l
l
}
16 days
16 days
16 days
48 days
Oogonium
l
Primary oocyte
l
Secondary oocyte
l
Ootid
Mature egg-zygote
Total time
conception
I_'_r
Forms at 2 to 3 months after
Forms at 2 to 3 months of
gestation. Remains in meiosis |
until ovulation, 12 to 50 years
after formation.
Less than 1 day, when fertilization
occurs
12 to 50 years
© Cengage Learning
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