Examlex
In order for an embryo to construct testes,that embryo must have at least _____ at conception.
Weeks
Time units equivalent to seven days, used universally to organize and plan activities and events.
Attentiveness
The quality of paying close and continuous attention to something or someone.
Younger Infants
Infants typically ranging from birth to 12 months old, during which rapid physical and cognitive development occurs.
Older Infants
Infants typically between the ages of 9 to 12 months who are developing new skills such as crawling, standing, or beginning to walk.
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