Examlex
For some species of succulents produce plantlets on an existing leaf,without fertilization,then
Zygote
The initial cell formed when a sperm cell fertilizes an egg cell, which then undergoes division and development to form an embryo.
Fallopian Tube
A pair of tubes leading from the ovaries of female mammals into the uterus, important for conveying eggs to the site of fertilization.
Conception
The beginning of the biological development process when a sperm fertilizes an egg, leading to the formation of a zygote.
Prenatal Period
The stage of development that occurs in the womb from conception until birth, critical for the physical and mental development of the unborn child.
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